Technical Paper Library

The technical program at the Irrigation Show is where those in the know go to learn about cutting-edge industry developments, including:

• research on new technologies, products and applications.
• advancements in irrigation system design, installation and management.
• best practices and case studies for water-use efficiency.

Technical papers are available for free download. To view papers from a specific year, click on the links below. To search for papers by a specific author, we recommend using the Find command in your browser (Ctrl+F for PC users, Command+F for Mac users).

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2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002

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2019

Agriculture Track

All of the ag-focused Industry Insights presentations in 2019 can be downloaded as a single PDF by clicking here. (Please note this file is 590MB.)

• Irrigation Consumer Bill of Rights | C. Burt
• A Novel System for Designing Lay-Flat Irrigation Pipe Systems for Flood & Furrow Irrigation | C. Henry
• Timed Flooding Yields Significant Gains in Rice Farming | L. Chastaine, G. Van Dyke
• Soil Water Sensing From Afar: How the Cloud Is Enabling Remote Data Collection | S. Evett
• Sensor Feedback & Variable Rate Irrigation for Potatoes | S. O’Shaughnessy
• Mobile Drip Irrigation: What We Know So Far | J. Aguilar
• What Is Mobile Drip Irrigation? How It Works & Proper Design | M. Teeter
• Sprinkler Drop Characteristics Via Weather Monitoring System | B. King
• Center Pivot Application Uniformity | T. Ingram
• A More Efficient Way to Collect PSI During Drip Assessments | K. Loomis
• Options for Estimating Plant Water Requirements for Irrigation Scheduling in Louisiana | S. Davis Conger
• Use Satellite Imagery to Calibrate Crop Coefficient | J. Han
• Regulating Valves: Overview & Best Practices | K. Feist
• Understanding Pressure Regulation | M. Fletcher, G. Ross
• Irrigation Scheduling Methods for Drip-Irrigated Potato | C. Shock
• The Missing Link in Irrigation Efficiency | D. Spier

Landscape Track

All of the landscape-focused Industry Insights presentations in 2019 can be downloaded as a single PDF by clicking here.

• SWAT & Apps for Water Conservation on Turfgrass | B. Cardenas
• Comparing Weekly Irrigation to Rain Sensor Performance | C. Swanson
• Fewer Drinks for the Links | A. Wilfley
• Soil Moisture Sensor-Based Irrigation Scheduling on Fairways | M. Nakatsui, P. Saxena, A. Moss, S. McLaughlin
• Autonomous Turfgrass & Groundcover Irrigation Management Using Smart Irrigation | A. Haghverdi
• Fundamentals of the Smart Water Triangle | R. Miller
• Designing & Building Landscapes Using Only Rainwater | D. McMaster
• Rainwater BMPs: Plants, Soil, Irrigation & Regulation | R. Ackerman
• Subsurface Irrigation Solutions: Forced vs. Responsive | D. Conklin
• Lighting Design – Beyond the Basics | L. Ruggiers

Bonus Track

All of the bonus Industry Insights presentations in 2019 can be downloaded as a single PDF by clicking here.

• 10 Lessons From the 2019 Green Industry Benchmark Report | C. Reinholz
• Why a Certified Professional Beats Its Competitors | J. Gray, J. Mathre, R. Jundt
• Leveraging Water Agency Incentives by Smart Site Selections | A. Pirrone
• Sustainable Manufacturing | G. Roesink, B. Carnehl, W. Gorowitz
• Incorporating Wi-Fi Technology Into Your Business Plan | J. Newlin
• Protect the Heart of the Irrigation System – The Pump | J. Phene
• Pumps: Long-Term vs. Short-Term Cost | G. Collins, G. Mueller
• Pump Station Retrofits – When Might it Make Sense? | G. Collins, J. McDaniel
• Energy Efficiency vs. Water Efficiency: What’s the Difference? | R. Welke
• WaterSense Update | S. Tanner
• Regulatory Precipitation Rate Limits: Water Saver or Waster? | R. Wolfarth
• Water Hazard Ahead! Assessing Aging Irrigation Systems | P. Dyck

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2018

Agricultural

All of the technical papers presented in 2018 can be downloaded as a single PDF by clicking here.

• Water in the Cloud: A New System for Field Water Monitoring With Cloud Data Access | S. Evett, H. Schomberg, A. Thompson, R. Schwartz, S. O’Shaughnessy, M. Andrade
• How to Determine the Type of VRI Best Suited for My Field | J. LaRue
• Adapting a VRI Irrigation Scheduling System for Different Climates | S. O’Shaughnessy | M. Andrade | K. Stone | E.D. Vories | R. Sui | S. Evett
• Grain Sorghum Irrigation in the U.S. Eastern Coastal Plain Using Variable Rate Irrigation | K. Stone, G. Sigua, P. Bauer
• Tillage Management & Sprinkler-irrigated Corn Production | F. Lamm
• Machine Learning Algorithms Applied to the Forecasting of Crop Water Stress Indicators | M. Andrade, S. Evett, S. O’Shaughnessy
• Improving Applications of Center Pivot Irrigation | D. Porter, T. Marek
• Effect of Limited Water Supplies on Center Pivot Performance | D. Martin
• Effect of Collector Size on Center Pivot Water Depth Catch | D. Rogers, J. Aguilar, G. Clark, S. Wiens
• Kansas Center Pivot Uniformity Evaluation Overview | D. Rogers, J. Aguilar
• Evaporative Loss Differences Between SDI & Sprinkler Irrigation – Southern High Plains Experience S. Evett, G. Marek, P. Colaizzi, D. Brauer, S. O’Shaughnessy
• Direct Root-zone Delivery to Enhance Deficit Irrigation Application | P. Jacoby, X. Ma
• Sub-surface Drip Fertigation for Precision Management of Cotton | M. Dougherty, A. Bouselmi, L. Curtis, C. Burmester, H. Harkins, B. Norris, B. Durham
• Soil Moisture & Nutrient Dynamics in the Root Zone of Collard Greens in Different Organic Amendment Types & Rates | R. Awal, A. Elhassan, A. Fares, S. Woldesenbet, R. Ray, H. Bayabil, P. Ampim, E. Risch, R. Griffin, H. Habibi
• Potential for Intensification of Maize Production With SDI | F. Lamm
• High-density Grapefruit Production in Open Hydroponics System | R. Ferrarezi, K. Thomason, M. Ritenour, A. Wright
• Dripper Performance Applying Treated Swine Effluent | G. Vieria, C. Poloni, A. Garcia, P. Monaco, I. Haddade, E. Oza, M. dos Santos
• Agronomic & Economic Assessment of Aerating Drip Irrigation Water | J. Lauria, D. Goorahoo
• Soil Moisture Sensor-based Irrigation Scheduling to Optimize Water Use Efficiency in Vegetables | P. Kumar, F. Cassel Sharma, T. Thao, D. Goorahoo
• SDI Flush Line Design & Precision Flush Management | D. Allred
• Development of a Decision Support System, DOMIS, for Designing Micro Irrigation Systems | T. Rajput, N. Patel, D. Dinkau
• Performance of Irrigated Black Pepper | G. Vieira, G. Santos, M. Krause, M. dos Santos, P. Monaco
• Irrigated Corn Response to Reduced Well Capacity | A. Schlegel, F. Lamm, I. Kisekka
• Optimizing Irrigation Scheduling With Limited Water Using the iCrop Decision Support Tool | I. KisekkaM
• Comparison of Sensor-based Irrigation Scheduling Method & Arkansas Irrigation Scheduler | R. Sui, E. Vories
• Effectiveness of Irrigation Water Management Practices for Mid-South Furrow Irrigation | C. Henry, J. Gaspar, A. Horton
• Sugarcane Productivity Estimation Using Agrometeorology | G. Vieira, D. Nascimento, P. Monaco, I. Haddade
• A New Approach to VFD System Specifications & Rebates | K. Feist, R. Cole, C. Burt
• Pumping Energy Efficiency – More Than Just Testing Pumps | R. Welke
• Manage Irrigation for Energy Conservation & Load Shifting | C. Hillyer, M. English
• Engineering Adaptations Optimizing IOT in Agriculture | R. Hibbs
• Incentives & Challenges for Agricultural Energy Use and Grid Services | C. English, A. Agahjanzadeh

Landscape

• Evaluating the Operation of Residential Wi-Fi Based Irrigation Controllers | C. Swanson, G. Fipps
• Median Retrofit Projects | M. Gotcher
• Actual Rain Sensor Dry Out Times Compared to Estimated Soil Dry Out Times | B. Cardenas, M. Dukes
• Estimating Annual Water Demands From Irrigation Flow Rates | K. Sovocool
• 5+ Years of Testing Smart Irrigation Controllers in Single Family Homes | B. Cardenas, M. Dukes
• VOCs & Solvent Cements | M. Chang
• The Many Benefits of In-stem Flow Regulation (IFR) | T. Sirkin
• Managing Irrigation to Water Budgets in San Diego County | C. Michelon, J. Jacoby, K. Burr-Rosenthal, A. Barman
• Student Water Managers | C. Eppler
• Allan Hancock College Overcomes Drought Challenges | E. Hagen, A. van de Ven
• The Benefits of Consumable Water Management Technologies | J. Spindler
• Using Persistent & Autonomous Thermal & Visual Image Data to Measure Stress & to Know; Where, When & How Much Irrigation Water to Use | J. Etro

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2017

Agricultural

All of the technical papers presented in 2017 can be downloaded as a single PDF by clicking here.

• Ogallala Aquifer Program Center Pivot Irrigation Technology Transfer Effort | F. Lamm, D. Porter
• Discussion of Why VRI May Not Being Used to Its Full Potential | J. LaRue
• Evaluation of Variable Rate Irrigation in Humid Region | R. Sui
• Site-specific Irrigation Management of a Center Pivot Irrigation System Using a Sensor-based Decision Support System | M. Andrade, S. O’Shaughnessy, S. Evett
• Remote Sensing for Variable Rate Irrigation Management | K. Stone, P. Bauer
• Precision Agriculture & Irrigation – Current U.S. Perspectives | S. Evett, S. O’Shaughnessy, M. Andrade
• Dashboard for Irrigation Efficiency Management (DIEM) | J. Bordovsky, B. Stoker, P. Bilnoski, C. Garcia, D. Porter, S. Ale, K. Biggers, J. Wall
• Evaluating Water Use & Management of Center Pivot Drag‐line Drip Irrigation Systems | C. Swanson, G. Fipps, C. Hillyer
• Erraticity of Sprinkler-irrigated Corn Under Drought | F. Lamm, T. Howell, J. Bordovsky
• Reducing Nitrous Oxide Emissions With Sub-surface Drip Irrigation & Split Fertilizer Applications | D. Goorahoo, N. Mahal, F. Cassel Sharma, T. Thao, G. Seepersad
• Triggering Drip Irrigation Onset by Soil Water Tension | C. Shock, F. Wang, A. Campbell, H. Dominguez-Aguirre
• Field Optimization of FlowControl Drip Tapes for Superior Performance & Profitability | I. Bisconer, S. Anderson, J. Klauzer
• Microirrigation Equipment for Okra Cultivation in the U.S. Virgin Islands | R. Soranz Ferrarezi, T. Geiger, S. Weiss, J. Greenidge, S. Dennery
• Greenhouse Cucumber Production Using Sensor-based Irrigation | R. Soranz Ferrarezi, T. Geiger
• My Irrigation System Is Plugged: What Do I Do Now? | J. Wynn
• Evaluation of Polyethylene Subsurface Drip Irrigation Driplines After 26 Years of Service in a Corn Field in Northwestern Kansas | A. Velasquez, M. Jablonka, F. Lamm, E. Garcia-Meitin
• Corn Irrigation & Fertilizer Use BMPs vs. Conventional Growing Practices, A Two-year Overview | M. Zamora Re, M. Dukes
• STAMP Decision Tool for Agronomic Crops in Louisiana | S. Davis, D. Fromme
• Quantifying Crop Water Requirements in the Mississippi Delta Using an Energy Balance Approach | S. Anapalli, D. Fisher, K. Reddy, S. Ruixui, P. Gowda
• A Crop Growth-insect Model Used in Field Experimental Design | T. Sammis, A. Bennett, D. Miller
• Optimizing Irrigation Scheduling With Limited Water Using the iCrop Decision Support Tool | I. Kisekka
• Injectable Co-polymers: A Tool for Soil Moisture Management | B. Dehghanmanshadi, G. Obear, F. Sexton
• Strategies for Taro (Colocasia esculenta) Irrigation | G. Vieira, G. Peterle, J. Loss, G. Peterle, C. Poloni, J. Colombo, P. Monaco
• Irrigation Technology Utilization: A Case of Central Uganda | T. Kizza, W. Nakyagaba, L. Nasirumbi, N. Kigundu, D. Magala, M. Muyinda, T. Namirimu, D. Kirimani
• Application of the Precision Ag Irrigation Language (PAIL) | C. Hillyer, D. Adhikari, R. Andrus, A. Berger, D. Berne, K. Charling, R. Ferreyra, B. Nef, J. Russo
• Insights Into Irrigation From Internet of Things Perspective
• Open-source Hardware & Software for Irrigation | D. Fisher
• Continuous Monitoring of Wine Grape Canopy Temperature for Irrigation Management | B. King, K. Shellie
• Sustainability of Irrigation With EM Induction Technique | F. Cassel S., D. Goorahoo, S. Sharma
• Drivers & Barriers to Producers’ Voluntary Adoption of Irrigation Practices That Protect Water Quality | K. Foley, C. Shock, M. Santelmann
• Optimal Efficiency in Gravity Water Distribution Systems | J. Peggram, D. Pearson

Landscape

• Long-term Performance of Smart Irrigation Controllers | M. Dukes
• Increasing Water-use Efficiency Using Block-zone Design on Tees | R. Geiger
• Evaluation of EPA’s Test for Pressure Regulating Sprinklers | B. Cardenas
• A New Generation of Smart Controllers | P. Webb
• Evaluating Sprinkler Operational Efficiency Using SMS | G. Klinefelter, M. Dukes
• Rainfall Effects on Seasonal Weekly Irrigation Schedules ‐ A Case Study of the Water My Yard Program | C. Swanson, G. Fipps
• Evaluating Forecast Reference Evapotranspiration for Florida | K. Migliaccio, X. Shen, R. Lusher, S. Siddiqui
• The Benefits of Consumable Water Management Technologies | J. Spindler

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2016

Agricultural

All of the technical papers presented in 2016 can be downloaded as a single PDF by clicking here.

• Managing Drip Filter Backflush Water | C. Burt
• Reversing Yield Loss by Managing Distribution Uniformity | C. Binfield
• Effects of Root-zone Microirrigation on Cabernet Sauvignon | P. Jacoby, X. Ma, J. Thompson
• Soil Nitrate Levels for Surface-drip Irrigated Cauliflower | J. Samano-Monroy
• AirJection Irrigation Mitigates Denitrification & Leaching | D. Goorahoo
• A Sowing Method for SDI to Increase Emergence Rate in Corn | G. Li
• Prospects on Drip Irrigation Development in Xinjiang, China, | S. Abudu, Z. Sheng, J. He, C. Cui, Bayinmengke
• Evaluating Center Pivot Drag‐line Drip Irrigation Systems | C. Swanson, G. Fipps, C. Hillyer
• Close Spacing LEPA Applicators Improve Irrigation Efficiency | J. Maurer, D. Schueler
• Lowering Average Application Rate Expands Potential of Center Pivots | J. Johnston
• A Dynamic Variable Rate Irrigation Control System | C. Perry, V. Liakos, W. Porter, M. Tucker, G. Vellidis
• Using Aerial Imagery for Irrigation Management | J. LaRue
• Comparing Mobile Drip Irrigation to Low Elevation Spray Application in Corn | I. Kisekka, T. Oker, G. Nguyen, J. Aguilar, D. Rogers
• Molecularly Oriented PVC Pipe for Water Transmission | R. St-Aubin
• Irrigation & ESA‐Success in Partnerships | J. Scott
• Infrared Thermometry for Deficit Irrigation of Peach Trees | D. Wang, H. Zhang, J. Gartung
• Scheduling for Deficit Irrigation | M. English, C. Hillyer
• Effect of RDI on Quality & Economic Yield of Navel Oranges | N. Mendez, G. Seepersad, F. Cassel Sharma, D. Goorahoo
• The Northern Colorado Limited Irrigation Research Farm: Past & Future Experiments | K. DeJonge, T. Trout, L. Comas, S. Gleason, H. Zhang
• A Smartphone Application for Scheduling Irrigation in Cotton | W. Porter, V. Liakos, C. Perry, J. Andreis, E. Barnes, K. Morgan, C. Fraisse, K. Migliaccio, G. Vellidis
• Irrigation Scheduling of Field Corn Under Institutional Constraints | F. Lamm
• Evapotranspiration & Crop Coefficient for Pecan Trees in El Paso, Texas | S. Abudu, Z. Sheng, A. Michelsen, O. Rodriguez, J. King
• Adapting the Kansas Crop Water Allocator to Multi-year Use | D. Rogers, I. Kisekka, J. Aguilar
• Precision Ag Irrigation Language (PAIL) Project | D. Adhikari, A. Berger, D. Berne, R. Andres Ferreyra, C. Hillyer, S. Melvin, B. Nef, T. Penning, J. Russo, T. Schiltz
• Managing Variable-rate Irrigation Using NDVI | K. Stone, P. Bauer, G. Sigua
• Sensor Strategies for Scheduling Irrigation in Louisiana | S. Davis
• Calibration of Low-cost Infrared Thermometer to Measure CropWater Stress Index | T. Sammis, D. Miller, V. Gutschick
• Use of Soil Moisture Sensors for Irrigation Scheduling | R. Sui
• Relating Soil Available Water Fraction to Water Stress Indices | S. Evett, S. O’Shaughnessy, P. Colaizzi, R. Schwartz

Turf

• Advanced Controller Features Show Unexpected Results | D. Smith, C. Swanson, J. Nations
• Study of Moisture Sensors’ Response to Drying Cycles of Soil | P. Yadav, C. Swanson, T. Penning, J. Wallace
• Variation in Urban ET to Determine Weather Station Siting | C. Swanson, S. Traore, G. Fipps
• Full Season Comparison of Weather Based Smart Controllers | M. Crookston
• Creating a WaterSense Label for Efficient Landscape Sprinklers | J. Kind
• A New Way to Characterize Landscape Sprinklers Performance | E. Norum, B. Mecham
• Drip System Design for Established Landscape Trees & Shrubs | R. von Bernuth, B. Mecham
• Turfgrass Selection to Maximize Water Use Efficiency | B. Leinauer, M. Serena, E. Sevostianova, G. Alvarez
• Water Source Effect on Golf Course Soil Quality in Oklahoma | J. Moss
• Seasonal Curves for Turfgrass Using Dual Coefficient Method | M. Crookston
• A New Approach to Sustainable Irrigation Practices | D. Pushard, M. Collignon
• Lawn Replacement Pilot Program: Final Report & Lessons Learned | C. Shuller, C. Pollard
• SNWA Rate of Play Study Using GPS: Finding Turf to Convert | K. Sovocool, M. Drinkwine
• Converting Kentucky Bluegrass to Native Grass in City Parks | E. Becker
• From Auditor to Consultant: Communicating Outdoor Water Use | J. Gebhart, R. Alvarado
• A Case for Targeted Water Conservation Outreach | D. Smith, C. Swanson, J. Nations

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2015

The Irrigation Association partnered with the American Society of Agricultural and Biological Engineers to publish technical papers presented at the 2015 Irrigation Show and Education Conference. Technical papers and authors are listed below and can be accessed through the ASABE Technical Library.

Session 1 – Evapotranspiration Research From the USDA-ARS-CPRL at Bushland, Texas

• The Bushland Weighing Lysimeters: A Quarter Century of Crop ET Investigations to Advance Sustainable Irrigation | S. Evett, T. Howell Sr., A. Schneider, K. Copeland, D. Dusek, D. Brauer, J. Tolk, G. Marek, T. Marek, P. Gowda
• A Decade of Remote Sensing & Evapotranspiration Research at USDA-ARS Conservation & Production Research Laboratory | P. Gowda, T. Howell, J. Chávez, G. Paul, J. Moorhead, D. Holman, T. Marek, D. Porter, G. Marek, P. Colaizzi, S. Evett, D. Brauer
• Do Soil Textural Properties Affect Water Use Efficiency? | J. Tolk, S. Evett
• Advances in a Two-Source Energy Balance Model: Partitioning of Evaporation & Transpiration for Cotton | P. Colaizzi, N.Agam, J. Tolk, S. Evett, T. Howell Sr., S. O’Shaughnessy, P. Gowda, W. Kustas, M. Anderson

Session 2 – Improving Evapotranspiration Estimates & Methodologies

• ASCE Manual 70 – Second Edition: Evaporation, Evapotranspiration & Irrigation Requirements | R. Allen, M. Jensen
• Seasonal Variation in Measured H2O & CO2 Flux of Irrigated Rice in the Mid-South | M. Reba, P. Counce
• EEFlux: A Landsat-based Evapotranspiration Mapping Tool on the Google Earth Engine | R. Allen, C. Morton, B. Kamble, A. Kilic, J. Huntington, D. Thau, N. Gorelick, T. Erickson, R. Moore, R. Trezza, I. Ratcliffe, C. Robison
• Fitting Measured Evapotranspiration Data to the FAO56 Dual Crop Coefficient Method | R. Allen, A. Kilic, A. Suyker, J. Okalebo

Session 3 – Ground-based & Remote Sensing for Irrigation

• Soil Variability Effects on Canopy Temperature in a Limited Irrigation Environment | K. DeJonge, S. Taghvaeian, T. Trout
• Evaluating the Impact of Drought on Surface & Groundwater Dependent Irrigated Agriculture in Western Oklahoma | S. Taghvaeian, G. Fox, R. Boman, J. Warren
• Wireless Sensor Network for ‘On Farm’ Soil Moisture Data Acquisition & Irrigation Scheduling | W. Buhrig, C. Shock,
• Using Wireless Sensor Networks in Commercial Strawberry Production | J. Lea-Cox, B. Belayneh

Session 4 – Turf & Landscape Irrigation Controllers & Sensors

• Six Years of Smart Controller Performance in Texas | C. Swanson, G. Fipps
• Importance of ET Controller Program Settings on Water Conservation Potential | S.L. Davis, M.D. Dukes
• Soil Moisture Sensor Irrigation Controllers & Reclaimed Water; I: Field-Plot Study | B. Cardenas, M. Dukes
• Soil Moisture Sensor Irrigation Controllers & Reclaimed Water; II: Residential Evaluation | B. Cardenas, M. Dukes

Session 5 – Spatial Irrigation Management With Center Pivots

• Assessing Spatial Variation of Corn Response to Irrigation Using a Bayesian Semiparametric Model | K. Stone, E. Sadler
• Testing Low Energy Spray Application in the Pacific Northwest | R. Peters, H. Neibling, R. Stroh
• Evaluation of a Hybrid Remote Sensing Evapotranspiration Model for Variable Rate Irrigation Management | J. Barker, C. Neale, D. Heeren
• Moving Spray-plate Center-pivot Sprinkler Rating Index for Assessing Runoff Potential | B. King
• Advances in Irrigation Management Tools: The Development of ARSmartPivot | M. Andrade, S. O’Shaughnessy, S. Evett

Session 6 – Stewardship & Sustainability

• Sediment & Nutrient Losses From the Upper Snake Rock Watershed in Southern Idaho | D. Bjorneberg, J. Ippolito, A. Koehn
• Irrigation Efficiencies & Agricultural Water Conservation: A View From the Lower Gunnison River Basin of the Colorado River in Colorado | M. Smith, P. Cabot
• Practical Implications of Irrigation Application Efficiency Improvements for Transferable Water in Colorado | S. Smith
• Irrigation Return Flows at Catchment Scale | M. Soriano, M. García-Vila, C. Gómez-Armayones, L. Mateos

Session 7 – Deficit Irrigation Strategies

• Does Deficit Irrigation of Field Crops Increase Water Productivity? | T. Trout, K. DeJonge
• Cotton Response in Non-Traditional Crop Rotations at Low Irrigation Levels | J. Bordovsky, D. Winters, J. Mustian
• Crop Rotation & Residue Management Effects on Deficit Irrigated Cotton & Corn | R. Baumhardt, R. Schwartz, S. Evett, P. Colaizzi, T. Howell
• Assessing Deficit Irrigation Strategies for Corn Using Simulation | I. Kisekka, J. Aguilar, D. Rogers, J. Holman, D. O’Brien, N. Klocke
• Deficit Irrigation in Strawberry Production to Minimize Environmental Impact| B. Belayneh, J. Lea-Cox

Session 8 – Turf & Landscape Irrigation Scheduling & Management

• Quantifying Water Savings of Homeowner Irrigation Programs | C. Swanson, G. Fipps
• Net Infiltration From Rainfall as Measured With Small Weighing Lysimeters | M. Crookston
• Soil Moisture Management to Deliver Productive & Sustainable Urban Landscapes, G. Connellan, P. Symes
• A Method to Estimate Residential Irrigation From Potable Meter Data | C. Romero, M. Dukes
• Review of Turfgrass Evapotranspiration & Crop Coefficients | C. Romero, M. Dukes

Session 9 – Irrigation Management With Variable Rate Irrigation Systems

• Center-pivot-mounted Wireless Data Acquisition System for Irrigation Scheduling | R. Sui, J. Baggard
• Using Variable Rate Irrigation to Determine Optimal Irrigation Schedule for Aerobic Rice Production | E. Vories, W. Stevens, M. Rhine, Z. Straatmann
• Site-specific Variable Rate Irrigation as a Means to Enhance Water Use Efficiency | S. O’Shaughnessy, S. Evett, A. Andrade, F. Workneh, J. Price, C. Rush
• Automating Variable Rate Irrigation Management Prescription for Center Pivots From Field Data Maps | A. Nguyen, A, Thompson, K. Sudduth, E. Vories
• Economic Optimization of the Levels of Control in Variable Rate Irrigation | H. Huang, V. Adamchuk, C. Madramootoo, A. Yari

Session 10 – Agricultural Irrigation Scheduling & Management

• Improving Irrigation Efficiency & Wine Quality Monitoring Using Crop Water Stress Index From Canopy Temperature: A Review & Proof of Concept | T. Sammis, K. Maraden, F. Westover, J. Wang, D. Miller
• Field & Laboratory Techniques for Agricultural Water Management | J. Replogle
• Water Use Efficiency of Energy Sorghum in South Texas | J. Enciso, J. Jifon, L. Ribera, G. Ganjegunte
• Using Light Integrals & Vapor Pressure Deficit to Simulate Irrigation Scheduling for Container Nursery Production | S. Nambuthiri, A. Fulcher, E. Hagen, R. Geneve
• Real-time Control System for Efficient Management of Basin Irrigation | C.L. Wu, M. Bai, Y. Li, S. Zhang, F. Li

Session 11 – Microirrigation for Improved Production & Reducing Environmental Concerns

• Cotton, Tomato, Corn & Onion Production With Subsurface Drip Irrigation – A Review | F. Lamm
• Irrigating & Fertigating With High Frequency Subsurface Drip Irrigation can Prevent Drainage & Groundwater Contamination | C. Phene, J. Ayars, R. Phene, R. Schoneman
• Drip vs. Furrow Irrigation in the Delivery of Escherichia Coli to Fresh Produce | C. Shock, S. Reitz, R. Roncarati, H. Kreeft, B. Shock, J. Klauzer
• Chlorine Dioxide Injection Through Drip Irrigation Reduces Escherichia Coli | S. Reitz, R. Roncarati, C. Shock, H. Kreeft, J. Klauzer
• Assessing the Effects of Drip Irrigation System Uniformity & Spatial Variability in Soil on Nitrate Leaching Through Simulation | Z. Wang, J. Li, Y. Li

Session 12 – Outreach & Innovation in Scheduling Software

• Promoting Efficient Water Management Through Effective Outreach Education in the High Plains & Beyond: Role of the Ogallala Aquifer Program | D. Porter, D. Rogers, D. Brauer, T. Marek, P. Gowda, F. Lamm, J. Bordovsky, T. Howell
• Evaluation of SWAT for Estimating ET in Irrigated & Dryland Cropping Systems in the Texas High Plains | G. Marek, P. Gowda, S. Evett, R. Baumhardt, D. Brauer, T. Howell, T. Marek, R. Srinivasan
• Smartphone Apps for Irrigation Scheduling | K. Migliaccio, K. Morgan, G. Vellidis, L. Zotarelli, C. Fraisse, B. Zurweller, J. Andreis, J. Crane, D. Rowland
• Pre-season Management Decisions & Tools for Irrigated Fields | J. Aguilar, D. Rogers, I. Kisekka
• Irrigation Goes Mobile| D. Batt, J. Johnson

Poster Session

• Evapotranspiration of Flood-Irrigated Pecans Under Drought Conditions in El Paso, Texas | Z. Sheng, Y. Liu
• Potential Irrigation Reductions From Increasing Precipitation Utilization With Variable Rate Irrigation | T. Lo, D. Heeren, L. Mateos, J. Luck, D. Martin, D. Eisenhauer
• Effects of Sewage Application on Salt Accumulation in Soil & on Sap Flow of Tomato Plants Under Drip Irrigation | Y. Li, J. Li, J.Wen
• Advancing Water Use Efficiency in Vineyards With Sub-surface Microirrigation Techniques | P. Jacoby, R. Peters, S. Sankaran, L. Khot
• Flow Control Emitters – Optimizing Both Flexibility & Uniformity | I. Bisconer, C. Corcos
• A New Soil Water Retention Technology for Irrigated Highly Permeable Soils | S. Miller, A. Smucker
• A Mobile Sprinkler Test Carriage to Evaluate the Suitability of LEPA & LESA at New Sites | W. Neibling, R.Peters, R. Stroh

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2014

Agricultural

All of the technical papers presented in 2014 can be downloaded as a single PDF by clicking here.

• Soil Water Sensing: Implications of Sensor Capabilities for Variable Rate Irrigation Management | S. Evett, S. O’Shaughnessy, P. Colaizzi, R. Schwartz
• Data Standards for Precision Irrigation | D. Berne, R. Cohen, R. Ferreyra, C. Hillyer, J.Russo, T. Schiltz, G. Wickes
• Evaluation of Neural Network Modeling to Calculate Well-watered Leaf Temperature of Wine Grape | B. King, K. Shellie 
• Using a Spatially Explicit Analysis Model to Evaluate Spatial Variation of Corn Yield | K. Stone, E. Sadler
• Application of RDI Precision Irrigation | J. LaRue
• Drip Irrigation Lateral & Submain Configurations for Field & Row Crops | I. Bisconer, J. Klauzer
• Water Requirements of Drip Irrigated Tomatoes in Central California | F. Cassel, S. Goorahoo, T. Thao
• Optimal Practices for Drip-irrigated Onion Differ Based Growers’ Market Opportunities | J. Pinto, C. Shock, E. Feibert
• Crop Yield, Tube Longevity & Economics With Shallow Subsurface Drip Irrigation | R. Sorensen, M. Lamb
• Predicting Emitter Sensitivity to Clogging: A Focus on the Biological Component | M. Oliver, G. Hewa, D. Pezzaniti
• Improved Irrigation Efficiency as a Tool for Climate Change Adaptation in Arid Environments | M. Davidson
• Efficacy of Boom Systems in Limiting Runoff on Center Pivots | P. Nakawuka,  R. Peters, R. Okwany, H. Sadeghi
• Simplified Irrigation Scheduling on Your Phone or Web Browser | T. Peters, S. Hill, G. Hoogenboom,  J. Hamel
• Using Soil Water & Canopy Temperature to Improve Irrigation Scheduling for Corn | I. Kisekka, J. Aguilar, F. Lamm, D. Rogers
• Comparing Water Use Efficiency in South Texas Furrow & Drip Irrigated Watermelon | C. Fuentes, J. Enciso, S. Nelson,  J. Anciso, M. Setamou
• How Can Agricultural Producers Organize to Stretch Limited Aquifer Supplies to Sustain Themselves & Their Rural Communities? | M. Smith, D. Daniel
• Residual Soil Water in Western Kansas After Corn Harvest | F. Lamm, N. Klocke, D. Rogers, L. Stone, A. Schlegel, R. Aiken, L. Shaw
• Agricultural/Urban/Environmental Water Sharing in the Western United States: Can Engineers Engage Social Science for Successful Solutions? | M. Smith, S. Smith
• Evaluating Net Groundwater Use From Remotely Sensed Evapotranspiration & Water Delivery Information | D. Howes, C. Burt, L. Hoffman
• Surface Irrigation Systems With Water Reuse Deliver E. Coli | B. Shock, C. Shock
• Deficit Irrigation of Grain & Oilseed Crops | F. Lamm, D. Rogers, J. Aguilar, I. Kisekka
• SDI for Corn Production – A Brief Review of 25 Years of KSU Research | F. Lamm, D. Rogers
• Successful SDI – Addressing the Essential Issues | F. Lamm, D. Rogers, J. Aguilar, I. Kisekka

Landscape & Golf

• Urban Runoff Harvesting – A Local Water Resource for Onsite Landscape Irrigation | N. Shapiro
• Rainwater Harvesting for Irrigation | D. Woodson
• Irrigation Water Balance Modelling: Better Landscapes Through an Improved Design Process | S. Laing
• Overcoming the ‘Water Cycle’ Myth: Conserving Water in Oklahoma City | M. Gotcher, J. Quetone Moss, T. Boyer
• Land Use Code Ordinance to Support Water Conservation | E. Olson
• Identifying Challenges & Improvements for the Water My Yard Program | C.s Swanson, G. Fipps
• Water Utility Agency Aiming to Develop Partnership With the Green Industry | J. Johnson, J. Rhodes
• Conserve Water by Irrigating Deeply & Less Frequently | M. Crookston
• Updates in ET Based Smart Irrigation Controller Performance: Results From 2013 | C. Swanson, G. Fipps
• Distribution Uniformity of Multi-stream Multi-trajectory Rotary Nozzles Spaced Below Recommended Distance | R. Kumar,  R. Green, E. Vis, K. Parkins, R. Perera
• The Effect of Approximating Irrigated Area on the Gross Irrigation Requirement | S. Davis, E. Breder, M. Dukes
• Surfactant Effects on Municipal Sports Fields | A. Duffy, M. McMillan
• Selling End Users on Water Efficient Improvements | C. Le Conte

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2013

Agricultural

All of the technical papers presented in 2013 can be downloaded as a single PDF by clicking here.

• Pressure Regulating Valve Characteristics| K. Feist, C. Burt
• Pressure Compensating Emitter Characteristics | C. Burt
• Thriving in Drought With Subsurface Drip Irrigation: Case Studies & Tools | I. Bisconer
• Chile Root Water Uptake Under Partial Root Drying: A Greenhouse Drip Irrigated Study | H. Sharma, S. Deb, M. Shukla, B. Stringam, M. Uchanski
• Aeration in Subsurface Drip Irrigation: Academic & Commercial Review of Eight Years of Consistent Crop Yield Increase & Water Use Efficiency | D. Goorahoo, P. Decker, F. Cassel S., D. Zoldoske, A. Mazzei
• Review of Two Decades of Progress in the Development of Successful Drip Irrigation for Onions | C. Shock, E. Feibert, J. Pinto
• Agricultural Irrigation & Water Conservation in Texas | M. Conyers, C. Turner
• Evaluation of Potential Water Conservation Using Site-Specific Irrigation | K. Stone, P. Bauer, J. Millen
• The Criticality of the Agricultural Distributor for Poverty Reduction in Least Developed Countries | M. Davidson
• Water for Agriculture, Cities the Environment: Strategies for Engaging Stakeholders in Cooperative Decision Making | M. Smith, R. Waskom
• The Wide World of Water Metrics | E. Barnes, J. Reed, M. Wallace, M.Matlock
• Evaluation of Soil Moisture Sensors | R. Sui, H. Pringle, E. Barnes
• Seasonal Near-continuous Patterns of Leaf-to-Air Vapor Pressure Deficits in Differentially Irrigated Cotton: Potential Importance in Assessing Water Demand | J. Mahan, P. Payton
• Data Standards for Precision Irrigation | D. Berne, L. Crawford, R. Ferreyra, C. Hillyer, L. Rhodig, T. Schiltz, G. Wickes
• Evaluating Water Treatment Technologies to Irrigate Crops With Saline Groundwater | M. Champ
• Evaluation of RDI Precision Irrigation | J. LaRue
• A Demonstration of Energy & Water Savings Potential From an Integrated Precision Irrigation System | C. Hillyer, C. Higgins, L. Rhodig, G. Wickes, J. le Roux
• Response of Sunflower to Deficit Irrigation | A. Berrada, J. Schneekloth
• Irrigation of Sunflowers in Northwestern Kansas | F. Lamm, R. Aiken, A. Aboukheira
• Simplified Irrigation Scheduling on a Smart Phone or Web Browser | T. Peters, G. Hoogenboom, S. Hill
• Rapid Implementation Program to Improve Operational Management & Efficiencies in Irrigation Districts | G. Bonaiti, G.Fipps
• IWREDS – A User-friendly Water Allocation Software Package | A. Fares

Turf

• Using Collected Rainwater for Irrigation| R. Drew
• Rainwater Harvest Makes Sense & Cents (& Dollars) | D. Crawford
• Before It All Goes Down the Drain: Case Studies of Rain Harvesting Use & Dry Weather Runoff Reuse in Santa Monica, California | N. Shapiro
• Estimating Depth of Daily Rainfall Infiltrating the Soil Using the USDA-NRCS Curve Number Approach | M. Crookston, M. Hattendorf
• Wind Effects on Sprinkler Irrigation Performance | R. Montgomery
• Benchmarking System Efficiency Within Orange County, California | M. Baum-Haley, W. Greco, N. Bijoor
• Fort Collins Sprinkler Audit Program | E. Olson
• Effectiveness of In-Line Drip Tubing on Turf Quality Based on Depth & Manufacturer | B. Vinchesi, T. Wyatt
• Reduced Scheduling Multiplier for High Irrigation Distribution Uniformities | M. Crookston, M. Hattendorf
• Quantifying Pressure Effects on Flow Rate & Water Application Uniformity of Microirrigation Emitters | D. Smeal
• Mapping Turf Evapotranspiration With High-Resolution Multispectral Aerial Imagery | M. Hattendorf, M. Crookston
• Making Sense of ET Adjustment Factors for Budgeting & Managing Landscape Irrigation | D. Pittenger, D. Shaw
• Stripped Down Water Management Practices With 24/7-360 Degree Access | P. Crais
• Effect of Irrigation Systems & Landscape Species on Irrigation Water Requirements Simulated by the Irrigation Management System | A.Fares, R. Awal, H. Valenzuela, S. Fares, A. Johnson, N. Nagata, A. Dogan
• Commercial Success! Irrigation Inspection Program Produces 19 Percent Water Reduction | G. Donaldson
• Irrigation Consultations for Utility Customers in San Antonio, Texas | J. Soulas, A. Garcia
• Restricting Irrigation Days: What Is the Conservation Impact? | M.Dukes, M. Boyer
• Targeting Excessive Irrigation Customers to Maximize the Benefits of Smart Controllers | S. Davis, M. Dukes
• Water Restrictions Can Be Positive – An Educational Approach to a Mandate | E. Olson
• Soil Moisture Sensor Performance in Turfgrass Plots Irrigated With Reclaimed Water | B. Cardenas, M. Dukes
• Developing a Model Irrigation Dissemination Program for Homeowners | C. Swanson, G.Fipps, D. Flahive
• Can ET-based Irrigation Controllers Meet Texas Landscape Needs? | C. Swanson, G. Fipps
• Remote Telemetry: Innovative Solutions for Managing Remote Irrigation Sites | W. Simmons Jr.

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2012

Agricultural

All of the technical papers presented in 2012 can be downloaded as a single PDF by clicking here.

• Modeling Phytophthora Disease Development in Chile & Bell Peppers Under Rain Feed & Irrigated Conditions| T. Sammis, M. Shukla, R. French, J. Wang
• Evaluation of Compensated Root Water Uptake Pattern of Greenhouse Drip Irrigated Chile | M. Shukla, S. Deb, M. Uchanski, P. Bosland
• Irrigation Criteria for Sweet Potato Production Using Drip Irrigation | C. Shock, J. Ishida, E. Feibert
• Long-term SDI for Seed Production of Western Rangeland Native Wildflowers | J. Felix, C. Shock, E. Feibert, N. Shaw
• Hydraulic Consideration for SDI Systems | F. Lamm, D. Rogers
• Comparison of SDI & Center Pivot Sprinkler Economics | F. Lamm. D. O’Brien, D. Rogers, T. Dumler
• Aerial Thermography for Crop Stress Evaluation | M. Meron, V. Alchanatis, Y. Cohen
• Estimating Crop Evapotranspiration Through Integrated Surface & Satellite Observations | F. Cassel S., D. Goorahoo, F. Melton, L. Johnson
• Comparison of Field Level & Regional Actual ETc Values Developed From Remote Sensing & Dual Crop Coefficient Procedure | D. Howes, L. Hoffman, F. Gaudi
• Material Choices for Mechanized Effluent Irrigation Systems | A. Smith
• Simplifying Microirrigation System Design With AquaFlow 3.2 Design Assist Software | I. Bisconer
• Bermudagrass Yield Response to Irrigation & Nitrogen in the Southeastern Coastal Plain | K. Stone, P. Bauer, J. Andrae
• On-farm Strategies for Regulated Deficit Irrigation to Maximize Operational Profit Potential | S. Smith
• Optimizing Sprinkler Irrigation for Cold Protection in Strawberries | M. Re, M. Dukes, C. Stanley
• Seasonal Irrigation Requirements & Irrigation Scheduling of Soybeans | D. Fisher, N. Bellaloui, R. Sui, H. Pringle III, A. Mengistu
• Investigating the Interaction of Irrigation, Surfactant & Fertilizer Rates on Nitrate & Chlorophyll Contents of Tomato Leaves | D. Goorahoo, F. Cassel S., N. Mahal, P. Yadavali, J. Monroy
• Drip Irrigation for Sustaining Irrigated Agriculture in Punjab, Pakistan: Issues & Strategy | C. Ashraff, H. Yasin
• Evaluation of a Center Pivot Variable Rate Irrigation System | R. Sui, D. Fisher
• Automating Prescription Map Building for VRI Systems Using Plant Feedback | S. O’Shaughnessy, S. Evett, P. Colaizzi, T. Howell
• Advanced Pump Controls for Irrigation Applications | P. Nistler, J. Atchia
• Infiltration Characteristics of Bare Soil Under Sequential Water Application Events | B. King, D. Bjorneberg
• Kinetic Energy of Water Drops Measured by a Dynamic Rain Gage System | L. Lima
• The Future of Water for Agriculture: Pressures in the Colorado River Basin Perceived by Ag Producers | M. Smith, P. Taylor, R. Waskom, J. Kallenberger, F. Sternlieb
• A Demonstration of Energy & Water Savings Potential From Optimal Irrigation Management & Precision Application | C. Hillyer, C. Higgings, M. English, G. Wickes, L. Rhodig, J. le Roux, R. Evans
• Water Productivity of Cotton in the Humid Southeast – Experimentation | H. Farahani, A. Khalilian, X. Qiao
• Water Productivity of Cotton in the Humid Southeast – FAO AquaCrop Modeling | X. Qiao, H. Farahani, A. Khalilian
• Irrigation Complexities – Using Sensor Networks for Real-time Scheduling in Commercial Horticultural Operations | J. Lea-Cox, B. Belayneh
• Developing & Integrating Plant Models for Predictive Irrigation | J. Kim
• Sensor Network Deployment & Implementation in Commercial Nurseries & Greenhouses | M. Chappell, M. van Iersel
• Irrigation Scheduling Software Development | D. Kohanbash, G. Kantor
• Next-generation Monitoring & Control Hardware Development | G. Kantor, D. Kohanbash, T. Martin
• A National Perspective on Irrigation Trends & Sensor Network Adoption in Ornamental Nursery & Greenhouse Operations | J. Majsztrik, E. Lichtenberg, J. Lea-Cox
• Integrating Soil Moisture & Other Sensors for Precision Irrigation | M. van Irsel

Turf

• Water Savings of ET vs. Timed Water Applications| B. Vinches, T. Wyatt
• FAWN Interactive Irrigation Tool for Florida | N. Dobbs, K. Migliaccio, J. Fann, M. Dukes, K. Morgan, W. Lusher
• A Method to Estimate Irrigation in Residential Areas: A Case Study in Orlando, Florida | C. Romero, M. Dukes
• Implementation of Smart Controllers in Orange County, Florida: Results From Year One | S. Davis, M. Dukes
• Quantifying Florida-friendly Landscaping Irrigation Use in Southwest Florida | M. Boyer, M. Dukes
• Soil Moisture Sensors to Reduce Reclaimed Water Irrigation of Landscapes | B. Cardenas-Lailhacar, M. Dukes
• Two Season Comparison of Nine Smart Controllers | M. Crookston, M. Hattendorf
• Evaluation of ET Based ‘Smart’ Controllers During Droughts | C. Swanson, G. Fipps
• Invalid Substantiation for the EPA WaterSense® WBIC Program | M. Davidson
• Flow Monitoring in Landscape Irrigation Systems | P. Halahan
• Making the Right Filter Decisions For Landscape Irrigation | R. Garner
• Soil Moisture Control of Spray & Subsurface Drip Irrigation: An Analysis of Applied Irrigation, Sensor Placement & Turf Water Status | M. Hattendorf, M. Crookston
• Irrigating Turf Areas With Saline & Potable Water From a Subsurface Drip System | B. Leinauer, E. Sevostianova, M. Schiavon, M. Serena
• Salinity Management & Filtration/Treatment of Petroleum Contaminates in Storm Water Catchment Systems for Landscape Irrigation Use | R. Eurto
• Turfgrass ET From Small Weighing Lysimeters in Colorado: Two Season Results Under Adequate Moisture Conditions | M. Crookston, M. Hattendorf
• Landscape Coefficients Derived by Soil Water Balance in Xeriscape Plantings | M. Hattendorf, M. Crookston
• Municipal Use of Central Control Systems for the Purpose of Conserving Water & Reducing Operating Costs | D. Gourdeau
• Control Your Water, Control Your Results: Improving Irrigation Audits & Reducing Soil Hydrophobicity | M. McMillan, J. Hampton, L. Lennert
• Irrigation Management System, IMANSYS – A User-Friendly Computer-based Water Management Software Package | A. Fares, S. Fares

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2011

Agricultural

All of the technical papers presented in 2011 can be downloaded as a single PDF by clicking here.

• Enhancing Adoption of Site-specific Variable Rate Sprinkler Systems | R. Evans, J. LaRue, K. Stone, B. King
• Infiltration Model for Center Pivot Sprinkler Irrigation | B. King, D. Bjorneberg
• Update on the Validation of Variable Rate Irrigation Performance | J. LaRue, K. Downing
• Uniformity Testing of a Commercial Variable Rate Center Pivot System | S. O’Shaughnessy, S. Evett, P. Colaizzi, T. Howell
• Peanut Canopy Temperature & NDVI Response to Varying Irrigation Rates | K. Stone, P. Bauer, W. Busscher, J. Millen, D. Evans, E. Strickland
• No-till Cropping Systems With Limited Irrigation | Alan Schlegel | L. Stone, T. Dumler
• Improved Water Resource Management Using an Acoustic Pulsed Doppler Sensor in a Shallow Open Channel | M. Cook, C. Huhta
• Filter Efficiency Translates to Water & Energy Savings | R. Delenikos
• Selenium Incorporation & Partitioning in ‘Jose’ Tall Wheat Grass Irrigated With Saline Drainage Water | J. Ram K.C., S. Benes. P. Robinson, S. Grattan, S. Gao, J. Bushoven
• Agricultural/Urban/Environmental Water Sharing: Innovative Strategies for the Colorado River Basin & the West | M. Smith
• Funding Urban Landscape Water Efficiency Programs With Terminated Agriculture Water Transfers | L. O’Leary
• Subsurface Drip Irrigation of Alfalfa | F. Lamm, K. Harmoney, A. Aboukheira, S. Johnson
• Effects of Modifying Irrigation Methods for Strawberry Transplant Establishment | C. Bates, S. Styles
• Monitoring Environmental Conditions & Substrate Water Content to Increase Efficiency of Irrigation in Nurseries | M. Chappell, M. van Iersel, S. Dove, J. Ruter, P. Thomas
• Forecast Climate Data Use in Irrigation Scheduling | T. Sammis, D. DuBois, S. Englesa, J. Wang, D. Miller
• Agricultural Irrigation Using Municipal Effluent | C. Burt
• Nitrate Levels at Different Growth Stages of ‘Biofilter’ Forages Irrigated With Dairy Effluent & Municipal Waste Water | D. Goorahoo, F. Cassel S., P. Yadavali
• Fertigation Management for Tomato Production in Saline Soils | F, Cassel S., D. Goorahoo, P. Yadavali
• Earthquakes & Irrigation in Mexicali Valley | C. Burt, A. Dennis
• Advanced Pressure Control & Pumping Protection Using Variable Frequency Drives | P. Nistler
• Accuracy: Irrigation Design Software & Google Earth | B. van den Heever
• Oilseed Crop Water Use & Water Productivity | R. Aiken, F. Lamm, A. Aboukheira
• Practices to Improve Production While Reducing Groundwater Contamination | C. Shock

Landscape & Golf

• Irrigation Water Savings-smart Irrigation Controllers vs. System ‘Tune-up’: Where Are the Real Savings Opportunities?| W. Gauley, J. Manente, C. Le Conte
• Evaluating the Efficiency of a Large Commercial Site With Multiple Systems | R. Eurto
• Maximizing Climate-based Irrigation Efficiencies | M. Carr, G. Kunkle
• A Comprehensive Strategy for Improving Water Management in Parks | E. Becker
• How Efficient Is Landscape Irrigation? | M. Dukes
• Wireless & Wired Flow Sensors & Dedicated Submeters Used to Manage Large Residential Estates & Improve Irrigation Efficiency | P. Crais
• Multi-stream, Multi-trajectory Nozzles (MSMT) & How They Save Water, Labor & Installation Costs | J. Wascher
• GPS Mapping Irrigation Systems for Better Communication & Management | J. Young
• Best Practices in Water Conservation | J. Hutchins
• Designing a Viable Irrigation System for the National Mall | B. Vinchesi
• Cutting Edge Techniques for Reclaiming Water | J.Hutchins
• Value Landscape Engineering | N. Hardman, F. Liljegren, K. Kopp
• Are You Up to Code? | R. Ackerman
• The Effect of Spray Sprinkler Spacing on Distribution Uniformity | E. Vis, N. Colasurdo, R. Kumar
• Turfgrass ET From Small Weighing Lysimeters in Colorado: First Full Year Results | M. Crookston, M. Hattendorf
• Developing a Residential Landscape Water Budget Calculator Using Novel Approaches | S. Al-Kofahi, R. St. Hilaire
• Keeping Water in the Pipes: Improving Efficiency through Irrigation Auditing | S. Burnell
• Stewardship Coefficient: Measuring the Impact of Best Practices | R.Walters
• Use of Remote Sensing to Quantify Landscape Water Use & Uniformity in the Sacramento Region of California | M. Roberson, B. Thoreson, D. Lal
• WaterSense Label Offers Opportunities for Irrigation | S.Tanner, J. Kind
• Evaluation of ET Based ‘Smart’ Controllers | C. Swanson, G. Fipps
• Implementation of Smart Controllers in Orange County, Florida | S. Davis, M. Dukes, C. Romero
• Synthetic Turf Irrigation-irrigation Challenges & Opportunities Created by Modern Day Synthetic Turf Surfaces | R. Dunn
• Soil Moisture Sensor Irrigation Controllers Response to Temperature & Salinity | Bernard Cardenas-Lailhacar | M. Dukes
• Catch Can Placement, Height & Nozzle Trajectory: Effects on Distribution Uniformity | M. Hattendorf, M. Crookston
• Irrigation Association’s Soil Moisture Sensor Phase II Virtual Test | D. Adhikari, D. Zoldoske, E. Norum

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2010

The Irrigation Association partnered with the American Society of Agricultural and Biological Engineers to publish technical papers presented at the 2010 Irrigation Show and Education Conference. Technical papers and authors are listed below and can be accessed through the ASABE Technical Library.

Agricultural

• Overview of Ogallala Aquifer Program | D. Brauer, N. Clark
• Deficit Irrigation Management Decision Tools | N. Klocke, L. Stone
• Automatic Irrigation Scheduling of Grain Sorghum Using a CWSI & Time Threshold | S. O’Shaughnessy, S. Evett, P. Colaizzi, T.Howell
• Crop Coefficient Development & Application to an Evapotranspiration Network | T. Marek, T. Howell, R. Snyder, T. Scherer, D. Porter
• Technology Transfer: Promoting Irrigation Best Management Practices | D.Porter, D. Rogers, T. Marek, F. Lamm, T. Howell, N. Klocke, M. Alam
• Optimal Corn Management With Diminished Well Capacity | A. Schlegel, L. Stone, T. Dumler, F. Lamm
• Crop Production Comparison With Spray, LEPA & Subsurface Drip Irrigation in the Texas High Plains | P. Colaizz, S. Evett, T. Howell, R. Baumhardt
• Can Subsurface Drip Irrigation (SDI) Be a Competitive Irrigation System in the Great Plains Region for Commodity Crops? | F. Lamm, J. Bordovsky, P. Colaizzi, T. Trooien, J. Enciso-Medina, D. Porter, D. Rogers, D. O’Brien
• Water Production Functions for Central Plains Crops | T. Trout, W. Bausch, G. Buchleiter
• Single- & Dual-surface Implicit Energy Balance Solutions for Reference ET | S. Evett, R. Lascano, T. Howell, J. Tolk, S. O’Shaughnessy, P. Colaizzi
• Two-source Energy Balance Model – Refinements & Lysimeter Tests in the Southern High Plains | P. Colaizzi, W. Kustas, M. Anderson, S. Evett, T. Howell. P. Gowda, S. O’Shaughnessy, J. Tolk
• Surface Energy Balance System for Estimating Daily Evapotranspiration Rates in the Texas High Plains | P. Gowda, T. Howell, G. Paul, P. Colaizzi, T. Marek
• Evaluation of a Two-layer Model to Estimate the Latent Heat Flux over a Drip-irrigated Olive Orchard | S. Ortega-Farias, R. Lopez-Olivari
• Alfalfa ET From a Weighing Lysimeter in the Arkansas Valley of Colorado | A. Andales, L. Simmons, M. Bartolo, D. Straw, J. Chavez, T. Ley, H. Al Wahaibi
• Translating Wind Speed Measured Over Alfalfa for Use in the ASCE Standardized Reference ET Equation | T. Ley, R. Allen, M. Jensen
• Operational Characteristics of Sap Flow Heat Gauges to Quantify Transpiration Flux in Corn | R. Aiken, N. Klocke
• Recommended Documentation of Evapotranspiration Measurements & Associated Weather Data & a Review of Requirements for Accuracy | R. Allen, L. Pereira, T. Howell, M. Jensen
• Site Specific Sprinkler Irrigation in a Water Limited Future | R. Evans, B. King
• Precision Irrigation With Wireless Monitoring & Control System Technology | J. Chavez, F. Pierce, T. Elliott
• Integrated Decision Support, Sensor Networks & Adaptive Control for Wireless Site-specific Sprinkler Irrigation | R. Evans, Y. Kim, W. Iversen
• A Review of Center Pivot Irrigation Control & Automation Technologies | W. Kranz, R. Evans, F. Lamm, S. O’Shaughnessy, T. Peters
• A Developing Crisis in Irrigation Advisory Services | M. English
• What Will It Take to Get Irrigators to Use Advisory Programs? Lessons Learned From the Past 10 Years & Beyond | T. Marek, T. Scherer, D. Porter, D. Rogers, J. Henggeler, T. Howell
• Irrigation Scheduling Programs of the Last 10 Years | J. Henggeler, P. Robinson, T. Scherer
• Envisioning the Next Generation of Irrigation Schedulers | C. Hillyer, P. Robinson
• A Web-based Advisory Service for Optimum Irrigation Management | C. Hillyer, C. Sayde
• Effect of Reference-ET Method on Irrigation Scheduling Model | D. Fisher, H. Pringle III
• Technological Challenges to Irrigation Scheduling – Crop Coefficients, ETo Forecasts & In-Situ ET Measurements | R. Snyder, T. Shapland, F. Anderson, Z. Song, A. Swelam, R. Moratiel
• Using Historic Weather Data to Automatically Determine Length of Time for Crop Coefficient Growth Periods | J. Henggeler
• Midday Stem Water Potential as a Basis for Irrigation Scheduling | K. Shackel, R. Buchner, J. Connell, J. Edstrom, A. Fulton, B. Holtz, B. Lampinen, W. Reil, W. Stewart, M. Viveros
• Reducing the Uncertainty of Soil Moisture Water Determinations | C. Sayde, A. Gitelman, C. Hillyer, L. Khoury
• Analyzing Water Management & Production Trade-offs Using Crop Systems Models | K. Thorp, D. Hunsaker, A. French
• In-soil & Down-hole Soil Water Sensors: Characteristics for Irrigation Management | S. Evett, R. Schwartz, R. Lascano, M. Pelletier
• Does Center Pivot Irrigation Have a Future to Continue to Meet the World’s Needs for Efficient & Precise Irrigation? | J. LaRue, B. Ruffalo, R. Friehe, P. Meyer, K. Dickson
• Deep Percolation Under Center Pivots With No-till | D. Eisenhauer, J. Deck, S. Irmak
• Development of Irrigation Management Techniques for Rice Under Mechanized Irrigation | J. LaRue
• Droplet Kinetic Energy From Center Pivot Sprinklers | B. King, D. Bjorneberg
• Green & Ampt Infiltration Parameters Under No-till Center-Pivots | D. Eisenhauer, J. Deck, S. Irmak, P. Jasa, D. Martin
• Infiltration & Runoff Under Center-Pivots With No-till Planting | J. Deck, D. Eisenhauer, S. Irmak
• Selecting Sprinkler Packages for Center Pivots | D. Martin, W. Kranz, A. Thompson, H. Liang
• Irrigation Research Needs in the USA Mid South & Southeast, Humid & Sub Humid Regions | E. Vories, S. Evett
• Water Supply Problems & Solutions in the Grand Prairie Region of Arkansas | P. Tacker, E. Vories, D. Carman
• Shallow Subsurface Drip Irrigation for Small Irregular-shaped Fields in the Southeast | R. Sorenson, M. Lamb
• Development of Irrigation Scheduling Tools for the Humid, High-rainfall Environment of the Lower Mississippi Delta | G. Sassenrath, H. Pringle, D. Fisher, S. Samson, A. Schmidt, B. Shrestha
• Evaluation & Calibration of Radiation-based Equations for Estimating Potential Evapotranspiration Under Florida’s Humid Subtropical Climate | I. Kisekka, K. Migliaccio, M. Dukes
• Variable-Rate Irrigation Management for Peanut in the Eastern Coastal Plain | K. Stone, P. Bauer, W.Busscher, J. Millen, D. Evans, E. Strickland
• Variable Rate Irrigation Management for Humid Climates Using a Conventional Center Pivot System | A. Thompson, K, Sudduth, J. Henggeler, E. Vories, A. Rackers
• Deficit Irrigation of Cotton in Tennessee | B. Leib, C. Gwathmay, C, Main
• WinSRFR: Current Advances in Software for Surface Irrigation Simulation & Analysis | E. Bautista, T. Strelkoff, A. Clemmens, J. Schlegel
• The Current State of Predicting Furrow Irrigation Erosion | D. Bjorneberg, T. Strelkoff, A. Clemmens, J. Lee
• Comparison of Flooded & Sprinkler Irrigated Rice Production | E. Vories, M. McCarty, G. Stevens, P. Tacker, S. Haidar
• Advances in Estimation of Parameters for Surface Irrigation Modeling & Management | E. Bautista, W.Walker
• Deficit Irrigation Management: Concepts & Implementation | T. Howell, J. Tolk
• Evapotranspiration Estimates for Deficit Irrigated Crops | W. Bausch, T. Trout, G. Buchleiter
• Deficit Irrigation of Dry Edible Beans During Early, Mid & Late Season | C. Yonts
• Effect of Crop Residue on Soil Water Content & Yield of Deficit-irrigated Corn & Soybean | S. van Donk, S. Melvin, J. Petersen, D. Davison
• Evaluation of Yield Quantity & Quality of Two Oil Crops in the Promotion of Sustained Deficit Irrigation in the Pacific Northwest, USA | R. Okwany, T. Peters, K. Ringer, D. Walsh, R. Stevens, A. Hang, J. Davenport
• Selective Deficit Irrigation on 10,440 Hectares of Tree Farm: A Case Study of a Successful Emergency & Drastic Irrigation Cost Saving Measure | N. Mohamed
• Advances in Deficit Irrigation Management | D. Martin, R. Supalla, C. Thompson, B. McMullen, G. Hergert, P. Burgener
• Forage Sorghum Evapotranspiration & Crop Coefficients | T. Howell, S. Evett, K. Copeland, J. Tolk
• Status & Continuing Challenges in Operational Remote Sensing of ET | R. Allen, J. Hendricks, W. Bastiaanssen, J. Kjaersgaard, A. Irmak, J. Huntington
• Spatial Estimation of Crop Evapotranspiration, Soil Properties & Infiltrated Water for Scheduling Cotton Surface Irrigations | D. Hunsaker, A. French, E. Bautista, K. Thorp, P. Waller, P. Royer
• Remote Sensing of Evapotranspiration Over Crops Using Combined Airborne & Ground-based Observations | A. French, D. Hunsaker, K. Thorp
• Comparison of Two Remote Sensing Approaches for ET Estimation in the San Joaquin Valley | T. Trout, L. Johnson, D. Wang, B. Clark
• Downscaling Surface Temperature Image With TsHARP | W. Ha, P. Gowda, T. Howell, G. Paul, J. Hernandez, S. Basu
• Information Technology Supports Integration of Satellite Imagery With Irrigation Management in California’s Central Valley | L. Johnson, R. Nemani, F. Melton, A. Michaelis, P. Votava, D. Wang, T. Trout
• Remote Sensing ET of Alfalfa Using a Surface Aerodynamic Temperature Model | J. Chávez, D. Straw, L. Garcia, T. Ley, A. Andales, L. Simmons, M. Bartolo, C. Neale 
• Indirect Determination of Crop Coefficient of Bell Pepper Using Soil Moisture Sensors | L. Zotarelli, M. Dukes
• Subsurface Drip Irrigation: Status of the Technology in 2010 | F. Lamm, J. Bordovsky, L.. Schwankl, G. Grabow, J. Medina, R. Peters, P.. Colaizzi, T. Trooien, D. Porter
• Drip Irrigation Can Reduce California’s Water Application by 2.4 × 106 ac-ft. per Year Without Yield Reduction | C. Phene
• Status of Microsprinkler System Design, Operation & Maintenance in 2010 | B. Boman, B. Sanden, T. Peters, L. Parsons
• Cotton Production Response to Crop Row Offset & Orientation to SDI Laterals in the Texas High Plains | J. Bordovsky, J. Mustian
• Correlation of Soil Water Content Determination by Neutron Backscatter & Almond Tree Stem Water Potential for Microirrigation Scheduling in Almonds | B. Sanden, K. Shackel, P. Brown
• Why Field Crop Growers Love Drip Irrigation: Alfalfa, Corn, Cotton, Onions, Potatoes & Processing Tomatoes | I. Bisconer
• Should Tennessee Tobacco Growers Invest in Irrigation, Fertigation or Plastic Mulch? | B. Leib | E. Caldwell, H. Savoy, J. Buchanan
• Drip Irrigation on the Navajo Nation | E. Martin, D. Livingston

Turf

• Water Conservation Potential of Smart Irrigation Controllers | M. Dukes
• Impact of Smart Technologies on Residential Water Use in North Carolina | G. Grabow, M. Nautiyal, R. Vick, R. Huffman, G. Miller
• Irrigation Using ET Controllers: A Summary of Research Performed by the University of Florida | S. Davis, M. Dukes
• Landscape Irrigation Scheduling Trends in California – From WUCOLS to LIMP | R. Snyder
• Crop Coefficients for Arizona Landscape Trees | E. Martin | U. Schuch | J. Subramani | T. Mahato
• Climate-based Coefficients for Scheduling Irrigations in Urban Xeriscapes | D. Smeal | M. O’Neill | K. Lombard | R. Arnold
• Efficacy of Evapotranspiration-based Landscape Irrigation in Eastern South Dakota | B. Seagraves, T. Trooien, D. Todey, C. Hay, L. Schleicher, R. Persyn
• Audit-based Landscape Irrigation Scheduling | B. Mecham
• Irrigation Water Use Separation From Overall Use: Evaluation of Methodology & Verification of Assumptions | M. Haley, M. Dukes
• Are Landscapes Over-irrigated in Central & Southwest Florida? A Spatial-Temporal Analysis of Observed Data | C. Romero, M. Dukes, H. O’Malley
• Testing Soil Moisture Sensors in Florida: Five Years of Results | B. Cardenas-Lailhacar, M. Dukes, M. McCready, M. Haley
• Development of Antibiotic Resistance in Bacteria of Soils Irrigated With Reclaimed Wastewater | J. McLain, C. Williams

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2009

Agricultural

All of the technical papers presented in 2009 can be downloaded as a single PDF by clicking here.

• Crop Yield Predictor for Deficit Irrigation Scheduling| N. Klocke, L. Stone, S. Briggeman
• Simple Charts for Modifying Crop Coefficients to Local Conditions | J. Henggeler, P. Guinan, J. Travlos, H. Farid
• Comparison of Irrigation Scheduling Methods in the Humid Mid-South | D. Fisher, J. Hanks, H. Pringle III
• A Simple Irrigation Scheduling Approach for Pecan Irrigation | Z. Samani, S. Bawazir, M. Bleiwweiss, R. Skaggs
• AgriMet: Reclamation’s Pacific Northwest Evapotranspiration Network | P. Palmer
• In Defense of Irrigated Agriculture | M. Dowgert
• Ag to Urban Water Transfers: Mitigation of Negative Effects Voluntary or Required? | M. Smith
• Determination of Kinetic Energy Applied by Center Pivot Sprinklers | B. King, D. Bjorneberg
• Performance Evaluation of Pressure Regulated Center Pivot Nozzle Packages | D. Rogers, L. Shaw, S. Pragada, M. Alam
• Application of GPS for Precision Mechanized Irrigation | J. LaRue, B. Kreikemeier
• Using Wireless Networking & Remote Sensor Monitoring in Pivot Irrigation | D. Steele
• Solar Powered Constant/Continuous Move Central Micro Pivot Irrigator | P. Kelkar, V. Joshi, A. Bapat
• Managing the Challenges of Subsurface Drip Irrigation | F. Lamm
• Using SDI to Effectively Irrigate With Biological Effluent | T. Trooien | D. Hills | F. Lamm
• Cotton Irrigation in Kansas | M. Alam, D.Rogers, T. Roberts, L. Shaw, T. Dumler
• Summary of 20 Years of Kansas SDI Research | F. Lamm, D. Rogers, M. Alam, D. O’Brien, T. Trooien
• Treatment of SDI Emitters Clogged With Manganese Compounds | J. Bordovsky, J. Mustian
• Impact of Management on the Life Expectancy of Drip Systems | J. Enciso, W. Multer, F. Lamm
• Effect of the Changing U.S. Economy on the Relative Profitability of Center Pivot Sprinklers & SDI Systems | D. O’Brien, F. Lamm, D. Rogers, T. Dumler
• Importance of Reclaimed Water in Florida | L. Parsons
• The Advantages of Closely Spaced Emitters | I, Bisconer
• Tensiometer Controlled Automated Irrigation System for Christmas Tree Production | P. Nzokou, N. Gooch, B. Cregg
• Assessment of Drip Irrigation in Morocco | A. Berrada
• Comparative Study of Bell Pepper Response to Subsurface Drip Irrigation & Surface Drip Irrigation Under Different Water & Nitrogen Coupling Conditions | Q. Kong, G. Li
• NRCS Irrigation Toolbox | D. Toews, P. Robinson, C. Prestwich, P. Willey
• Tools a NRCS Field Office Might Use to Help an Irrigator | J. Whan
• Variable Rate Peanut Irrigation Management in the Eastern Coastal Plains | K. Stone, P. Bauer, W. Busscher, J. Millen, D. Evans, E. Strickland
• Benefits of Pressure Regulation in Irrigation | T. Santiesteban
• Soil & Nutrient Losses From Small Sprinkler & Furrow Irrigated Watersheds in Southern Idaho | D. Bjorneberg, B. King, N. Nelson
• Irrigation Control With Feedback Loops | B. Zur, G. Ben-David, Z. Zur

Turf

• Irrigation Association Smart Water Application Technologies Scores & Water Conservation Potential | C. Romero, M. Dukes, M. McCready
• Maximizing Effective Agronomics in Landscapes With Soil Moisture Sensors | J. Peters
• Understanding Site Conditions & Customer’s Perspective When Implementing Smart Irrigation | L. Truong
• Evaluation of Sensor-based Residential Irrigation Water Application on Homes in Florida | M. Haley, M. Dukes
• Field Study of Uniformity Improvements From Multi-stream Rotational Spray Heads & Associated Products – Preliminary Results | K. Sovocool
• LEED: It’s Not Just Two Irrigation Points! | B. Vinchesi
• Locating Field Wiring Faults in Two-wire Systems | T. Ware
• Lessons Learned From the Introductory Landscape & Irrigator Training | M. Peterson, D. Nichols
• Conservation Design – Pipe Sizing With Low Flow Nozzles | P. Crais
• Backflow Prevention & Irrigation Systems | B. Rathburn
• Water Reduction 101 | M. Carr
• A Review of IA’s New Landscape Auditing Guidelines | B. Vinchesi
• Evaluation of Uniformity Measurements From Landscape Irrigation Auditing | C. Swanson, G. Fipps, J. McAfee
• Effect of Subsurface Drip Irrigation & Shade on Soil Moisture Uniformity in Residential Turf | D. Kieffer, T. Campbell
• Ragle Park Water Conservation Program | P. Aguilar
• Evaluation of Irrigation Smart Controller for Salinity Control | R. Khalsa
• Sustainable Landscape Design Strategies for Maximizing Rainwater Use & Irrigation Efficiency | T. Kane
• Crop Coefficients for Drip-irrigated Xeriscapes & Urban Vegetable Gardens | D. Smeal, M. O’Neill, K. Lombard, R. Arnold

Water Management

• The Inherent Drought Response Flexibility in Irrigated Landscapes | S. Smith
• Using Infrared Thermography to Determine Crop Water Stress in Cotton | S. O’Shaughnessy, S. Evett
• Application of Mechanized Irrigation for Rice Production | J. LaRue, C. Rolfes, G. Concenco
• Water Conservation’s Role in California Water Transfers | C. Burt
• Sand vs. Sand Filters: A Case For Reduced Backwashing | R. Delenikos
• Quantifying Effective Rain in Landscape Irrigation Water Management | S. Moore
• Modeling Pecan Growth & Fertilization Under Nitrogen & Water Stress | T. Sammis, V. Gutschick, J. Wang, M. Shukla, R. St. Hilaire
• Subsurface Drip Irrigation-fertigation for Site-specific, Precision Management of Cotton | A. AbdelGadir, M. Dougherty, J. Fulton, C. Burmester, C. Norris, L. Curtis
• Revisiting the Scheduling Coefficient | R. von Bernuth, B. Mecham
• The Role of the Landscape Contractor to Conserve Water | R. Restuccia
• Irrigation Efficiency Management as It Relates to LEED Certification | J. Murphy
• Microirrigation for Sustainable Water Use: Research & Outreach Through a Multi-state Collaboration | D. Porter, F. Lamm, L. Schwankl, K. Shackel
• Prelude to Change: Defining Roles in Landscape Water Management | K. Cook
• Return on Environment – A New Evaluation of Filtration Systems | J. Lauria
• Directed Manipulation of Crop Water Status Through Canopy Temperature-based Irrigation Management | J. Mahan
• Irrigation Scheduling by Soil Water Potential | C. Shock
• Rainwater Catchment Systems |W. Kniffen

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2008

Agricultural

All of the technical papers presented in 2008 can be downloaded as a single PDF by clicking here.

• A Comparison of Soil Water Measurement & Two Thermal Indices for Irrigation Scheduling of a Center Pivot System | S. O’Shaughnessy, S. Evett, P. Colaizzi, T. Howell
• Design & Trouble Shooting Serial/Ethernet/Ip Wireless Irrigation Systems | K. Heiner
• Potential Runoff & Erosion Comparision of Center Pivot Sprinklers on Four Idaho Soils | B. King, D. Bjorneberg
• Irrigating Cotton in a Thermally Limited Area | M. Alam, P. Colaizzi, D. Rogers, L. Shaw
• Revisiting Farm Ponds for Irrigation Water Supply in the Southeast U.S. | J. Hook, S. Conger, K. Harrison
• Procedures for Easily Fine-tuning Crop Coefficients for Irrigation Scheduling | J. Henggeler, P. Guinan, J. Travlos
• Evaluating Airborne Remote Sensing ET Estimates Using Eddy Covariance Systems & a Heat Flux Source Area Function | J. Chávez, T. Howell, P. Gowda, C. Neale, P. Colaizzi
• Basic Water Treatment: Theory & Practical Application | J. Wynn, C. Wynn
• Moisture-activated Kink Valves for the Hose-fed Irrigation of Individual Trees, Shrubs & Vines | M. Brown
• Irrigation Gate Status Recorder | J. Wang, T. Sammis
• Advances in Determining Soil Matric Potential Using an Engineered Porous Ceramic & Dielectric Permittivity | C. Campbell, G. Campbell, D. Cobos
• Get Better Accuracy From Your Flowmeter & Reduce Installation Costs at the Same Time | K. Englin
• New Inexpensive Dendrometers for Monitoring Crop Tree Growth | J. Wang, T. Sammis
• Soil Water Repellency – Influence on Irrigated Apple Productivity | S. Kostka, D. Bell, N.Gadd
• Improving Pump Performance | C. Burt, F. Gaudi, D. Howes
• Canal Pump Lift Station Modernization | R. Khalsa
• Will Wetter Water Make Fatter Wallets? The Use of Surfactants With Irrigation Water on Agricultural Fields | T. Mobbs, T. Peters

Turf

• Irrigation by Evapotranspiration-based Irrigation Controllers in Florida | S. Davis, M. Dukes, G. Miller
• Turfgrass Crop Coefficients in the U.S. | C. Romero, M. Dukes
• Monitoring & Control of SMART Irrigation System | D. Adhikari, D. Zoldoske, D. Goorahoo, F. Cassel, P.Gupta
• Minimum Cup Quantity: An Update | B. Vinchesi, M. Igo
• Maximizing Irrigation Distribution Uniformity With Catch-can Performance Data | J. Gilbert
• A Comparison of Fairway Distribution Uniformity Computed With Catch Can Data & With Soil Moisture Data From Three Sampling Depths | D. Kieffer, M. Huck
• Survey of Residential Water-wise Irrigation Practices & Perceptions | M. Haley, M. Dukes
• Sustainable Solutions for a Changing Environment | E. Beaulieu
• Irrigation Runoff From Narrow Turf Areas for Sprinkler & Surface Flow Systems | E. Vis, R. Kumar, S. Mitra, V. Magana
• Improving Soil Hydrological Behavior for More Efficient Irrigation | D. Moore, S. Kostka, T. Boerth, M. Franklin, C. Ritsema, L. Dekker, K. Oostindie, C. Stoof, D. Park
• Drip vs. Overhead on Large Slopes & Landscapes | R. Stuart
• Injection of Urea-sulfuric Acid Fertilizer Into Irrigation Water to Improve Irrigation Water Quality | J. Gregory
• Bridging the Gap ‘Understanding the Varying Viewpoints of the Water Utility Provider & Landscape Contractor’ | D. Lane
• Secondary Water Systems for Landscape Irrigation: Issues & Opportunities | S. Smith
• Dispelling Myths Associated With Spread Spectrum Radio Technology in the Irrigation Industry | D. Paladino
• Software Is the Future of Irrigation Design | J. Farmer

Water Management

• Dispelling the Myths About Water Use for Ethanol Production | M. Feinman
• Rainwater Recovery for Commercial Irrigation Systems: Do’s & Dont’s | B. Vinchesi, J. Bowman
• Water Reuse Filtration for Golf Course Irrigation | M. Allhands
• Importance of Spatial Information in Irrigation Management | J. Caron, D. Elrick
• Sprinkler Irrigation for Site-specific, Precision Management of Cotton | M. Dougherty, A. Abdelgadir, J. Fulton, C. Burmester, L. Curtis, Ted Tyson
• How Do You Obtain the Necessary Funding for an Irrigation Audit Program When Water Is in Abundance? | C. Swift
• The Super Ditch: A Test of Cooperation for Colorado Farmers | M. Smith, J. Winner
• Evaluation of Deficit Irrigation Strategies for Corn | D. Heeren, H. Werner, T. Trooien
• Optimizing Crop Water Use Efficiency With AirJection® Irrigation | D. Goorahoo, D. Adhikari, N. Reddy, F. Cassel S., D. Zoldoske, A. Mazzei, R. Fannuchi
• Boom-type Carts vs. Big-guns in Northwestern Washington | R. Peter, D. McMoran
• Reservoir & Canal Seepage Reduction by Soil Compaction | C. Burt, M. Cardenas
• Considerations When Converting to Precision Irrigation | J. LaRue
• Effects of Early Season Water Stresses on Corn Production | F. Lamm, A. Kheira
• A Sustainable Alternative of Exploiting Nepal’s Water Resources to Benefit the Riparian Countries | B. Adhikari, R. Verhoeven, P. Troch

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2007

Agricultural

All of the technical papers presented in 2007 can be downloaded as a single PDF by clicking here.

• The Irrigation of Reclaimed Water to Enhance a Biosolids Land Application Site| T. Woody, D. Safrit
• Effluent Nitrogen Management for Agricultural Re-use Applications | D. Howes, F. Gaudi, D. Ton
• Center Pivot Design for Effluent Irrigation of Agricultural Forage Crops | F. Gaud, D. Howes, D. Ton
• Soil-moisture-controlled Effluent Disposal by Subsurface Drip Irrigation in the Alabama Black Belt Soil Area | J. He, M. Dougherty, W. Harper, J. Shaw, W. Wood, J. Fulton
• Ensuring Equal Opportunity Sprinkler Irrigation | F. Lamm, T. Howell, J. Bordovsky
• Low-pressure, Low-cost Sprinkle Irrigation for Smallholders | J. Ray, J. Keller
• Center Pivot Simulator for Evaluating Irrigation System Design & Management Effects on Infiltration & Erosion | B. King, D. Bjorneberg
• Wireless Infrared Thermometers for Automated Irrigation Scheduling of a Center Pivot | S. O’Shaughnessy, S. Evett
• Kansas Survey of Center Pivot Nozzle Packages | D. Rogers, M. Alam, G. Clark, L. Shaw
• Evaluation of Water Distribution Uniformity Under a Traveling Gun Irrigation System | H. Dehghanisanij
• Using Saline Groundwater for Large-scale Development & Irrigation of Pistachios Interplanted With Cotton | B. Sanden, L. Ferguson, D. Corwin, C. Kallsen, R. Hutmacher
• Irrigation Load Control Credit Rider Dispatch Pilot | W. Marek
• Improving Canal Water Management With a Regulating Reservoir & Pump Station | R. Khalsa
• Upgrading the Flow Measurement System at the Tehama Colusa Canal Authority | C. Ward, K.Kibby, R.Nauman
• Flow From Flexibility | G. Anhorn
• Algae Management in Irrigated Agriculture, Beqaa Valley, Lebanon | M. Blankinship, M. Chebaane, M. Saadeh
• An Ecohydraulic Approach to Modernization of Farmer Managed Irrigation Systems in Nepal | B. Adhikari, R. Verhoeven, T. Peter
• Reduction of Irrigation Water Consumption in the Colombian Floriculture With the Use of Tensiometer | R. Villalobos
• Engineering Criteria Affecting Exploitation of Subsurface Drip in Wheat Yields | Y. Arafa, E. Wassif, H. Mehawed
• Engineering Factors Effecting the Performance of Locally Manufactured Screen Filters | M. El-Tantawy
• Effect of Surface Irrigation Systems on Yield & Yield Components of Autumn Sugar Cane & Tomato Intercropped | El-Khatib S.I., S. A. Sh
• Development of a Nomograph for Scheduling Irrigation for Flood Irrigated Pecan Orchards | J. Wang, T. Sammis, J. Kallestad, J. Mexal, R. Heerema
• Experimental Verification of a Recursive Method to Calculate Evapotranspiration | R. Lascano, S. Evett
• Determination of Crop Coefficients (Kc) for Irrigation Management of Crops | G. Piccinni, J. Ko, A. Wentz, D. Leskovar, T. Marek, T. Howell
• Using Atmometers for Irrigation Scheduling in Oklahoma | R. Schlegel
• EPIC Model as a Decision Support System for Irrigation Management of Crops | J. Ko, G. Piccinn, A. Wentz, E. Steglich, T. Gerik, T. Marek
• A Web-based Advisory Service for Optimum Irrigation Management | C. Hillyer, C. AbouRached, M. English
• Irrigation Scheduling of a Water Stress Sensitive Crop, Lessons From Potato | C. Shock, R. Flock, E. Eldredge, A. Pereira, L. Jensen
• Micro Sprinkler Irrigation Using SCADA & Sensor Network for Freeze Prevention | D. Adhikari, J. Ayars, D. Goorahoo, F. Cassel S.
• Decision Support Model for Irrigation & Drainage Management of Paddy Fields in Uganda | J. Wanyama
• Irrigation Scheduling in Cassava-based Forage Intercropping Systems | K. Vaiyapuri, A. Mohamed, M. Yassin
• Evaluating Three Evapotranspiration Mapping Algorithms With Lysimetric Data in the Semi-arid Texas High Plains | J. Chavez, P. Gowda, T. Howell, K. Copeland
• Is Irrigation Real or Am I Imagining It? | T. Howell, F. Lamm
• Drip & Furrow on Processing Tomato – Field Performance | C. Burt, B. O’Neill
• Measuring Water Use & Root Distribution of Drip Irrigated Watermelon in a Humid Climate Using Multi-sensor Capacitance Probes | I. McCann
• In-field Evaluation of Subsurface Drip Irrigation (SDI) Systems in Kansas | M. Alam, D. Rogers, L. Shaw
• Use of Gravity Drip on the Navajo Nation | E. Marti, D. Livingston
• Irrigating Onions With Subsurface Drip Irrigation Under Different Stress Levels | J. Enciso, J. Morales, R. Wiedenfeld, S. Nelson, X. Peries
• Integration of Micro Irrigation Systems With Minor Irrigation Projects: A Case Study | S. Dugad, S. Jadhav
• A Study of Emitter Clogging & Development of the Mathematical Relationship Between Emitter Clogging & Water Quality | A. Asgary Sr., F. Ejlali, J. Khairabi Sr., M. Hajjari
• Technologies for Longer Pump Life | R. Delenikos
• Increasing Crop Productivity & Water-use Efficiency by Utilizing Ethanol CO2 Emissions | D. Goorahoo, S. Ashkan, F. Cassel S., D. Adhikari, D. Zoldoske
• Risk in Income Return From Limited Irrigation Using the Crop Water Allocator | N. Klocke, L. Stone, T. Dumler, S. Briggeman
• Limited Irrigation of Alfalfa | M. Crookston
• Irrigation Water Stress Management Study of Vineyard Transpiration With a Sap Flow Meter | T. Scholasch, J. Lecoeur, L. Misson, M. Van Bavel
• Crop Growth & Soil Water Spatial Variability Under a Variable Rate Center Pivot | K. Stone, P. Bauer, W. Busscher, E. Strickland, J. Millen, D. Evans
• Managing Sprinkler Irrigation With In Situ Infiltration Data | R. Molacek, R. Kramer
• Selection of Pressure Reducing Pilots for Low Volume Irrigation Systems | A. Yardeni
• Surface Irrigation Evaluation Based on Anylitical Interrelation Among Water Infiltration Advance & Recession | K. Amer

Turf

• Subdivision Pressurized Irrigation Systems From Agricultural Water | J. Moyer
• Comparison of Water Application to Turfgrass Utilizing Different Irrigation Equipment | B. Mecham
• Reducing Runoff Losses of Irrigation Water by Improving Cultural Practices | S. Mitra | M. Fam | A. Malazian | E. Vis | R. Kumar
• Levels of Design – LEED, High Efficiency, Utilizing Reuse & Rainwater | L. Haveruk, C. Kakos
• Residential Irrigation Water Application Influenced by Socio-economic Parameters | M. Haley, M. Dukes
• Comparison of Catch Can & Soil Moisture Distribution Uniformities in Turfgrass | E. Vis, R. Kumar, S. Mitra, A. Malazian
• San Diego County’s California-friendly Landscape Contest | K. Breece
• WaterSaver Landscape Specialist – A Year Later | M. Peterson, E. Kutschbach
• New Homeowners in San Antonio, Texas, & Outdoor Water Use Habits | J. Soulas, R. Gomez
• Urban Rainwater Harvesting for Landscape Irrigation | D. Peterson
• Smart Irrigation Management During Drought | K. Guz, M. Peterson
• Water Audits of Lawn Bowling Greens & Croquet Courts | R. Sanger
• GCSAA Environmental Profile Project: Water Use & Conservation Study | G. Lyman
• How Catch Cup Quantity Affects Audit Results | B. Vinchesi, J. Gilbert, G. Smith
• Irrigation Analysis for Water Savings – One Year Later | K. Guz, E. Kutschbach
• Turfgrass Irrigation Controlled by Soil Moisture Sensor Systems | B. Cardenas-Lailhacar, M. Dukes
• Evaluation of Soil-moisture-based & ET-based Irrigation Control in Turf | A. Vasanth, G. Grabow, R. Huffman, D. Bowman, G. Miller
• Calibration & Evaluation of an Improved Low-cost Soil Moisture Sensor | C. Campbell, G.. Campbell, D. Cobos, L. Bissey
• Turfgrass Irrigation Requirements Simulation in Florida | M. Dukes
• Weather-based Irrigation at Large Commercial Sites – Portland Water Bureau Pilot Project | B. Galpern
• Case Study: City of Newport Beach Implements Smart Controllers to Reduce Urban Runoff | T. Ash
• Weather & Soil-moisture-based Landscape Irrigation Scheduling Devices | M. Spears, W. Steele, D. Whitney
• Automating Landscape Irrigation Control Using Weather Data, Broadcast to Unlimited Properties | S. Moore
• A Differentially-irrigated, Xeric Plant Demonstration Garden in Northwestern New Mexico | D. Smeal, M. O’Neill, R. Arnold, M. West
• Monitoring Spatial Variability in Soil Properties & Turfgrass Stress: Applications & Protocols | R. Carrow, V. Cline, J. Krum
• Reducing Irrigation of Turfgrass Areas by Detecting Stress Early & Using Wetting Agents | D. Park, J. Cisar, D. McDermitt, K. Williams, W. Miller
• Recycled Water for Landscapes in the Middle East | S. Smith, J. Leonard
• Reclaimed Irrigation Practices to Move Salts Out of the Root Zone for Turf | J. Fifita
• Managing Soil Moisture on Golf Greens Using a Portable Wave Reflectometer | D. Kieffer | T. O’Connor

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2006

Agricultural

All of the technical papers presented in 2006 can be downloaded as a single PDF by clicking here.

• The Effects of Subsurface Drip & Furrow Irrigation on the Movement of Salts & Nitrate in the Root Zone| A. Berrada, A. Halvorson, M. Bartolo, J. Valliant
• Irrigation Guidelines for Oilseed Crops in the U.S. Central Great Plains | R. Aiken, F. Lamm
• Developing Water Management Performance Measures | S. Looper, A. Morgan, M. Roberson, T. Slavin
• Limited Irrigation of Four Summer Crops in Western Kansas | A. Schlegel, L. Stone, T. Dumler
• Remote Monitoring & Control of Irrigation Pumps for Energy, Water, Labor & Cost Savings | P. Tacker
• Low Pressure Systems Reduce Agricultural Inputs | M. Dowgert, B. Marsh, R. Hutmacher, T. Thompson, D. Hannaford, J. Phene, J. Anshutz, C. Phene
• Development of a Mechanical Archimedean Screw | E. Wasif, A. Lotfy, S. Bader
• Introducing a Flow Distortion Wetting Front Detector | R. Stirzaker, J. Annandale, J. Stevens, J. Steyn
• Using a Wetting Front Detector to Manage Drip Irrigation in Strawberries | P. Lobit, R. Stirzaker, N. Hernández, R. Navarro
• Monitoring & Management of Pecan Orchard Irrigation: A Case Study | T. Sammis, J. Kallestad, J. Mexal, J. White
• Kansas Progress in ET-based Scheduling: Improvements in KanSched | D. Rogers, G. Clark, M. Alam, L. Shaw
• Economics of Irrigation Ending Date for Corn | M. Alam, T. Dumler, D. Rogers
• Termination of Irrigation on Corn | J. Henggeler
• Crop Water & Irrigation Water Requirements of Cucumber (Cucumis Sativus) in the Loamy Sands of Kuwait | M. Salam, S. Al Mazrooei
• Irrigation Scheduling for Sugar Beets Under Variable Climatic Conditions | S. Dragovic, L. Maksimovic, V. Radojevic, M. Cicmil
• Advances Using Mechanical Move Irrigation for Site-specific Management | J. LaRue, C. Malsam
• Evaluation of Collector Size for Low Pressure, Fixed-plate Sprinklers for Center Pivots | G. Clark, D. Rogers, M. Alam
• New Mechanized Irrigation Solutions for Small Seed Crops | J. Gardner
• Modernizing Canal Check Structures With Bi-fold Overshot Gates | R. Khalsa, R. Khalsa
• Deficit Irrigation of Alfalfa as a Strategy for ‘Saving’ Water | B. Hanson, D. Putnam
• Soil Water Evaporation & Residue Management in Sprinkler Irrigation | N. Klocke, R. Currie, T. Dumler
• The Effect of Dropping Water Tables on Center Pivot Performance | D. Heermann
• Using Technology to Develop Integrated Water Resources Management Schemes | O. Kashef
• Determination of the Optimal Date for Sowing of Wheat in Canal | T. Rajput, N. Patel
• Innovative Subsurface Drip Irrigation (SDI) Alternatives for On-site Wastewater Disposal in the Alabama Black Belt | M. Dougherty, J. He, E. Ducote, W. Harper, J. Shaw, W. Wood, J. Fulton
• Applying Swine Wastewater With SDI & LEPA Sprinkler Irrigation | F. Lamm, T. Trooien
• Safe Reuse of Treated Wastewater for Inedible Seed Production | A. El-Araby, E. Wasif, H. Mehawed
• Injecting Phosphoric Acid With SDI Systems | J. Enciso, C. Stichler, W. Multer, P. Colaizzi
• The Use of Multi-sensor Capacitance Probes as a Tool for Drip Irrigation Management in Humid Regions | I. McCann, J. Starr
• Near-surface Soil Water & Temperature for SDI, LEPA & Spray Irrigation | P. Colaizzi, S. Evett, T. Howell
• Shock Chlorination of Irrigation Wells to Reduce Iron-related Bacteria & Emitter Clogging | M. Clubb, J. Henggeler
• Evaluation of a Low-cost, Low-tech Microirrigation System Designed for Small Plots | D. Smeal, M. O’Neill, R. Arnold
• Drip Irrigation for the Third World Kitchen Garden | R. Chapin, W. Chapin

Turf

• Water Quest: Saving Water by the Yard | C. Brown
• Urban Rainwater Harvesting for Landscape Irrigation | R. Peterson
• Update on U.S. EPA Market Enhancement Program | S. Tanner
• Water Industry/Irrigation Cooperation During Drought | K. Guz, D. Fossum
• Watersaver Contractor Program – A Win-win for Industry & Public-owned Utilities | M. Peterson, D. Fossum
• Irrigation of Native Plants vs. Popular Landscape Plants: A Head-to-Head Comparison | R. Galbreath
• Utilizing Multiple Water Sources for Landscape Irrigation | E.Wilcut, B. Rathburn
• Evaluation of Sensor-based Residential Irrigation Water Application | M. Haley, M. Dukes, G. Miller
• Secondary Water Supply & First Phase Design of a Regional System | S. Smith
• Rain Water Irrigation in Toronto | L. Haveruk
• Water Utilities: Influencing the Smart Controller Market | S. Sommerfeld
• Weather & Soil-moisture-based Technologies for Landscape Irrigation | M. Spears, P. Sunde
• A New Method of Calculating the Wetted Radius of Sprinklers | E. Norum
• Sprinkler Irrigation & Soil Moisture Uniformity | M. Dukes, M. Haley, S. Hanks
• Spacing & Pattern Effects on DULQ of Spray Heads | B. Mecham
• Using Evapotranspiration Calculations & Aerial Photography to Reduce Water Use | A. Dewees, J. Woods
• Irrigation Analysis for Water Savings – A New San Antonio City Ordinance | D. Fossum, D. De La Zerda
• ‘Water Checks’ – Free Water Audits for Homeowners & Large Public & Private Properties | E. Jackson, R. Lopez
• Irrigation Runoff From Landscape Turf | E. Vis, R. Kumar, S. Mitra
  

Education/Business

• Green Industries of Colorado (GreenCO) Partners With the Colorado Water-Wise Council (CWWC) to Provide Educational Training on the ‘Green Industries Best Management Practices (BMPs) for the Conservation & Protection of Water Resources in Colorado’ | B. O’Brien, A. Haueter
• Socialization of Weather-based Irrigation Technology | B. Cardinal
• Irrigation Industry Response to Drought Conditions in Several Southwest States | L. Budd
• Don’t Be a Drip, Be a WWIP! | K. Stewart
• Water Conservation Education Using Children’s Water Festival: Experiential Learning & Quality of Retention | M. Alam
• How Water Budgets Can Increase Flexibility for Irrigation Professionals | L. Martien, W. DeOreo
• A Formula for Success: Save Water, Increase Business, Advance Industry Professionalism, Achieve Community Goals |D. Nichols, P. Garza

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2005

Agricultural

All of the technical papers presented in 2005 can be downloaded as a single PDF by clicking here.

• Field Performance of Subsurface Drip Irrigation in Kansas| M. Alam, D.. Rogers
• Tapered Lateral Design for Subsurface Drip Irrigation | G. Clark, N. Dudley, M. Roberts, D. Rogers
• Cotton Production With SDI, LEPA & Spray Irrigation in a Thermally-limited Climate | P. Colaizzi, S. Evett, T. Howell
• Research Using Automated Irrigation Systems | C. Shock, E. Feibert, C. Shock, A. Pereira, E. Eldredge
• Effect of Irrigation Frequency for Limited Subsurface Drip Irrigation of Corn | F. Lamm, R. Aiken
• Ultra-slow Release of Trifluralin From Polymers | R. Ruskin
• Forage Subsurface Drip Irrigation Using Treated Swine Effluent | K. Stone, P. Hunt, J. Millen, M. Johnson
• Energy Use in Microirrigation | T. Trout
• Computational Fluid Dynamics Analysis & Verification of Hydraulic Performance in Drip Irrigation Emitters | G. Li, Y. Li, X. Qiu, J. Wang, M. Alam
• Case Study: Subsurface Drip Irrigation in Southeastern Colorado | W. Eckas, K. Lusk
• Combined LEPA & MESA Irrigation on a Site-specific Linear-move System | R. Evans, W. Iversen
• Optimal Site-specific Configurations for Wireless In-field Sensor-based Irrigation | Y. Kim, R. Evans
• Site-specific Water & Nitrogen Management for Potatoes With Center Pivot Irrigation | B. King, J. Stark, R. Wall
• Managing the Art & Science of Agricultural Irrigation Scheduling | K. Taylor, K. Johnson, R. Strouse
• Practical & Effective Water Use Efficiency Measurement & Management Methods for the Australian Cotton Industry | D. Wigginton, S. Hood
• Using Water Auditing to Assess Irrigation Efficiency: A Comparative Evaluation of Drip, Sprinkler & Rain-Guns for Potato Production in the UK | J. Knox, K. Weatherhead
• The Use of Low-cost, Differentially-corrected GPS for Reporting Field Position of Self-propelled Irrigation Systems | R. Peters, D. Heermann, K. Stahl
• Advances in Resource Management Using Center Pivots | J. LaRue
• Instrumentation for Variable-rate Lateral Irrigation System | S. Moorey, T. Owino, Y. Han, A. Khalilian
• Field Performance Testing of In-canopy Center Pivot Nozzle Packages in Kansas | D. Rogers, M. Alam, G. Clark, L. Shaw
• Center Pivot Sprinkler Instantaneous Application Area Effect on Uniformity, Soil Infiltration & Droplet Size | J. Burks, C. Striby
• Low Pressure Drip Irrigation-alternative Irrigation System to Flood/Furrow Irrigation in California – ‘Water Savings With No Increase in Energy Useage’ | J. Anshutz
• Evaluation of Phosphorus Fertilizer Type on Plugging of Drip Irrigation Tape | M. Beene, L. Goodrich, C. Krauter, D. Goorahoo
• Optimizing Water Allocations & Crop Selections for Limited Irrigation | N. Klocke, L. Stone, G. Clark, T. Dumler, S. Briggeman
• Improved Irrigation Through Technology & Community Engagement | W. Meyer
• Surface Irrigation Management in Alabama Cotton | M. Dougherty, L. Curtis, J. Fulton, H. Harkins, B. Norris Jr.
• Irrigation Scheduling Using the Oklahoma Mesonet | M. Kizer, A. Sutherland, J. Carlson
• AZSCHED V2.0: Climate-based Irrigation Scheduling in Arizona | E. Martin, D. Slack
• Automated Water Management for Center Pivot Irrigation Systems | J. Oswald, H. Werner, T. Trooien, M. Wieting
• Development of a Peanut Irrigation Management Decision Aid Using Climate-based Information | J. Paz, G. Hoogenboom, A. Garcia, L. Guerra, C. Fraisse, J. Jones, O. Uryasev, U. Hatch, J. Bellow
• Updating the Arkansas Irrigation Scheduler | E. Vories, P. Tacker, S. Hall
• Fertigation With Drip Irrigation for Maximum Availability & Minimum Leaching of Nitrate | B. Hanson, J. Hopmans, J. Simunek, A. Gardenas
• Adapting On-farm Water Supplies for High Value Irrigation Uses | J. Hook, K. Harrison
• Siting & Design of Flow Measurement Structures in Cache Valley Irrigation Canals | A.Ticlavilca, G. Merkley, B. Tammali
• Rice Evapotranspiration Estimation Using Satelite Data | M. Amin, S. Hassan
• Doppler Flow Instrumentation Upgrades Within the Yuma Irrigation District | D. Brooks
• Lessons From Successful SCADA & Automation Projects | C. Burt, X. Piao
• Case Study of the Government Highline Canal | R. Khalsa
• Moderately Priced SCADA Implementation in Northeastern Colorado | S. Smith, D. Magnuson
• Reducing Waterhammer Potential in the Delano-Earlimart Irrigation District | S. Styles
• Irrigation Infrastructure Rehabilitation in Alberta: 35 Years of Government/Industry Cooperation | L. Ring, J. Prozniak, R. Renwick, E. Wilson
• Eco Irrigation: A Study on Closed Loop, Ebb & Flow Irrigation for Large-scale Outdoor Production | R. Holloway Jr.
• Vadose Zone Monitoring of Fields Irrigated With Recycled Processing & Municipal Wastewaters | D. Adhikari, D. Goorahoo, F. Cassel S.
• Salinity Mapping of Fields Irrigated With Winery Effluents | F. Cassel S., D. Adhikari, D. Goorahoo
• DIPAC-drip Irrigation Water Distribution Pattern Calculator | M. Amin, A. Ekhmaj

Turf

• Survey of Reclaimed Water (Wastewater) Use in the Alabama Turf Industry | M. Dougherty, E. Guertal
• Oregon Water Wise Landscape Contractor Certification | K. Duncan
• Water Smart Contractor: A Public-private Partnership Ensuring Irrigation Efficiency in Southern Nevada | J. Eckberg
• Slow the Flow Colorado Sprinkler Audits | T. Graham, P. Lander
• Slow the Flow, Save H2O | E. Jackson, R. Lopez, J. Leigh
• The Calgary Courts Centre: A Case Study in the Application of Advanced Irrigation Design & LEED® Principals to Optimize Irrigation Water Efficiency | S. Laing
• Factors Affecting the Results for Lower Quarter Distribution Uniformity From Catch Can Tests | B. Mecham
• Water Retention & Evaporative Properties of Landscape Mulches | D. Shaw, D. Pittenger, M. McMaster
• Water Conservation Diagrams Illustrate Benefits of Improved Irrigation | K. Solomon, J. Kissinger
• Evaluation of New Retrofit Technology for Conversion of Sprayheads to Drip Irrigation in Municipal Facilities | R. Galbreath
• Saving Water Is Good for Business | K. Guz
• A Water Purveyor View of Smart Water Application Technology | J. Hoyenga
• Surfactants & Soil Water Repellency in Golf Course Soils-water Use & Environmental Implications | S. Kostka, S. McCann, M. Franklin, J. Cisar, C. Ritsema, L. Dekker, S. Mitra
• Water Conservation From Precise Irrigation Scheduling Using a Subsurface Electromagnetic Soil Moisture Sensor | S. Jones, J. Blonquist Jr., D. Robinson
• Improved Water Uniformity Will Save Water & Power | D. Malcolm
• EPA Market Enhancement Program Update | J. Anderson, J. Flowers
• How To Design, Implement & Evaluate a Smart Controller System | T. Ash
• Predicting Water Savings With Weather-based Irrigation Controllers | L. Martien, W. DeOreo

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2004

Agricultural

All of the technical papers presented in 2004 can be downloaded as a single PDF by clicking here.

• Irrigation Practices During Long-term Drought in the Southeast | J. Hook, K. Harrison, G. Hoogenboom, D. Thomas, V. Boken, L. Guerra
• Irrigation Requirements of Container Grown Woody Plants | D. Struve, T. Kruer
• Irrigation Scheduling Research Using Variable-rate Pivot & Switched-sprinkler Linear Systems | C. Perry, J. Hook, K. Harrison, C. Bednarz
• Status of Georgia’s Irrigation Infrastructure | K. Harrison, J. Hook
• A Historical Review of Mechanized Irrigation Performance for Wastewater Reuse Projects in Humid Regions | J. LaRue, J. Paetz
• Application & Economics of Linear Irrigation for Precision Agriculture | J. LaRue
• Spatial & Temporal Plant Water Use & Rain Inputs as Affected by Citrus Canopy & Microsprinkler Irrigation System | A. Fares, T. Obreza, L. Parsons, K. Morgan
• Blockage in Microirrigation Systems – Causes & Cures | J. Wynn, C. Wynn
• Investing for Profitability: How Water Conserving Irrigation Technology Improves Farm Profitability | I. Bisconer, D. Best, M. Hewitt
• Low Pressure Drip Irrigation – Concept & Description | C. Phene, D. Hannaford, C. Phene, II
• Consensus Building as a Primary Tool to Resolve Water Supply Conflicts | M. Smith
• Design of Next Generation Sprinkler Head for Curved Landscapes | P. Rao, M. Westford
• Impact of Aerated Subsurface Irrigation Water on the Growth & Yield of Crops | D. Goorahoo, D. Adhikari, G. Carstensen, D. Zoldoske
• Concepts of Groundwater Recharge & Well Augmentation in Northeastern Colorado | S. Smith
• Saving Fish & Farmers | G. Anhorn
• Irrigation Impact & Trends on Kansas Agriculture | D. Rogers
• San Antonio Water System’s Agriculture Water Conservation Program | L. Caceres, G. Camargo
• Model for Basin Wide Water Use Efficiency | T. Spears, J. Snyder
• Completing the Connection Between Irrigation Districts & On-farm Irrigation | C. Burt
• Simple & Inexpensive Lysimeters for Monitoring Reference- & Crop-ET | D. Fisher
• The Influence of Geometrical Parameter of Dental Flow Passage of Labyrinth Emitters on the Hydraulic & Anti-clogging Performance | G. Li, Y. Zhao, J. Wang, M. ul Alam
• Hydraulic & Chemical Properties of Soils Irrigated With Recycled Saline Sodic Drainage Water | K. Senatore, D. Goorahoo, S. Benes, J. Ayars
• Management Model for Land Application of Wastewater | T. Sammis
• Comparison of Scaled Canopy Temperatures With Measured Results Under Center Pivot Irrigation | R. Peters, S. Evett
• Potential Use of a New Forage Grass in Best Management Practices Involving Irrigation With Food Processing & Dairy Wastewaters | D. Goorahoo, D. Zoldoske, D. Adhikari, E. Norum, F. Cassel S., M. Rothberg
• AZSCHED (Arizona Irrigation Scheduling Program) | E. Martin, D. Slack
• Modern Electronics for Agriculture | D. Fisher
• Show Me Irrigator, Missouri’s Irrigation Scheduling Program | J. Henggeler, J. Travlos, P. Guinan, G. Rotert
• Estimation of Reference Evapotranspiration by a Modified Bowen Method | A. Pereira, N. Villa Nova, C. Shock
• Capturing Rainwater for Landscape Irrigation in Georgia | R. Seymour, W. Gardner, G. Wade
• Irrigation Scheduling for Optimum Plant Water & Nutrient Uptake | A. Fares, M. Ryder, V. Polyakov, H. Valenzuela, C. Nazario
• Soybean, Wheat & Forage Subsurface Drip Irrigation Using Treated Swine Effluent | K. Stone, P. Hunt, M. Johnson
• The Helper, A User-friendly Microirrigation Irrigation Scheduling Tool | A. Fares, M. Zekri, L. Parsons
• Water Temperature Effects on the Discharge Rate of Drip Tape Emitters | G. Clark
• Automatic Collection, Radio Transmission & Use of Soil Water Data | C. Shock, E. Feibert, A. Pereira, C. Shock
• Evaluation of a Low-cost Capacitance ECH2O Soil Moisture Sensor for Citrus in a Sandy Soil | M.Borhan, L. Parsons, W. Bandaranayake
• Comparison of SDI, LEPA & Spray Irrigation Performance for Cotton in the North Texas High Plains | Paul. Colaizzi, S. Evett, T. Howell
• Comparison of SDI & Simulated LEPA Sprinkler Irrigation for Corn F. Lamm

Turf

• A New Method of Characterizing Sprinkler Distribution Patterns | E. Norum
• Using Relative Humidity as a Control Parameter for Programming Supplemental Irrigation | L. Feltz
• Reducing Residential Irrigation Water Use in Florida | M. Dukes, M. Baum, G. Miller
• Public Agency Studies of ET Controller Performance | T. Ash
• Landscape Species Performance Under Irrigation Levels Based on Reference Evapotranspiration | D. Shaw, D. Pittenger
• Free, Untapped Water for Irrigation in Humid Regions | E. Wilcut, B. Lillibridge
• Rain Harvesting for Supplemental Irrigation | R. Peterson
• Turf Irrigation Scheduling for Large Water Users | E. Jackson, J. Leigh
• Landscape Size Based on Tax Assessor Recorded Lot Size | J. Leigh, E. Jackson
• Surviving the Worst Drought in 300 Years | D. Pacetti
• Using Distribution Uniformity to Evaluate the Quality of a Sprinkler System | B. Mecham
• A Model to Determine Residential Landscape Size Using Total Lot Size | G. Simjian

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2003

Agricultural

All of the technical papers presented in 2003 can be downloaded as a single PDF by clicking here.

• Catch3D for Evaluating Sprinkler Catch-can Data| R. Allen, G. Merkley
• Water Resource Development & Irrigation Management for Sprinkler & Subsurface Drip Irrigation | J. Baier, C. Burmester, L. Curtis, W. Foshee
• Affordable Drip Irrigation for Small Farms in Developing Countries | J. Keller, A. Keller
• Cotton & Winter Wheat Irrigation Scheduling Improvements in Uzbekistan | Y. Esanbekov, S. Evett, L. Heng, B. Kamilov
• Effect of Dripline Depth on Field Corn Production in Kansas | F. Lamm, T. Trooien
• Long-term Salinity Buildup on Drip-irrigated Trees in California | C. Burt, L. Burt, B. Isbell
• Drip Irrigation in Salt-affected Soils | B. Hanson, D. May
• Micro Flood – A New Way of Applying Water | C. Austin
• A Study of Operating Efficiencies Comparing Aluminum Pipe Systems to Certa-set PVC Irrigation Piping | E. Norum
• Precision Pivot Irrigation Controls to Optimize Water Application | C. Perry, S. Pocknee
• Center Pivot Evaluation & Design Lite Program | D. Heermann, T. Spofford
• Irrigation Strategies for Optimizing Yield & Water Use Efficiency | D. Upchurch, D. Wanjura
• Site-specific Irrigation of Cotton on the Texas High Plains | J. Bordovsky, R. Lascano
• Tracking Spatial & Temporal Patterns of Cotton ET Using a Normalized Difference Vegetation Index | E. Barnes, T. Clarke, G. Fitzgerald, D. Hunsaker, B. Kimball, P. Pinter Jr.
• Estimating Cotton Crop Water Use From Multispectral Aerial Imagery | E. Barnes, T. Clarke, G. Fitzgerald, D. Hunsaker, P. Pinter Jr., S. Lesch, G. Brown Jr., R. Roth
• Alfalfa Production Using Subsurface Drip Irrigation | M. Gonzalez, I. Cohen
• Farm Level Integrated Water Resource Management | R. Ikramov
• Economic Analysis of Variable Rate Applications of Water in Corn Production | C. Camp, Y. Lu, E. Sadler
• Using an ‘Off-the-Shelf’ Center Pivot to Water Corn, Cotton & Soybeans on Mixed Soils Using a Concept of Precision Irrigation | J. Henggeler, A. Thompson, K. Sudduth
• Utilization of Controls for Managing Limited Water Supplies | J. LaRue
• Soil Moisture Sensors & Grower ‘Sense’ Abilities: Three Years of Irrigation Scheduling Demonstrations in Kern County | R. Enzweiler, B. Hockett, B. Sanden
• Precise Irrigation Scheduling Using Various Soil Moisture Sensors | C. Shock
• Detecting Canal Seepage Using Electromagnetic Induction Method | F. Cassel S., T. Jacobsen, E. Norum, D. Zoldoske
• Evaluation of Collector Size for the Measurement of Irrigation Depths | G. Clark, E. Dogan, D. Rogers
• Moderately Priced SCADA for Mutual Irrigation Companies | S. Smith
• Water Measurement Options in Low Head Canals & Ditches | F. Peterson
• Canal Velocity Indexing at Colorado River Indian Tribes Irrigation Project in Parker, Arizona, Using the SonTek Argonaut SL | B. Freeman, S. Styles, M. Niblack
• Soil Characterization for Fields Irrigated With Recycled Saline Drainage Waters | D. Adhikari, D. Goorahoo, S. Benes
• Pressure Control in Land Application of Municipal Wastewater | L. Mathers
• Chlorination Dose & Response for Biological Effluent Used for Drip Irrigation | R. Anderson, D. De Boer, T. Trooien
• Pervaporation: Precision Irrigation of Strawberries Using Moderate EC Water Sources | C. McArdle, C. Mucha, R. Soundarajan, K. Stevens
• Irrigating Efficiently to Feed the World in 2050 | T. Spears
• Future Equipment & Research Needs Gleaned From Farmer Reactions to an Irrigation Water Conservation Education Program in Southwest Nebraska | S. Melvin, J. Payero
• Farm-size Characteristics of Western Irrigated Agriculture: Contributing to Water Conservation & Small Farm Policy Goals | G. Schaible
• A Simulation Model for ET of Applied Water | S. Geng, S. Sarreshteh, R. Snyder, S. Matyac, M. Orang
• Soil Water Regimen of Sugarbeet in Reduced Irrigation | S. Dragovic
• Water Conservation for the Small Farmer in the Philippines | R. Zander
• Irrischeduler – A Simple Device for Scheduling Irrigations | N. Patel, T. Rajput

Turf

• Water Conservation Definitions From a Hydrologic Perspective | R. Allen, C. Burt, A. Clemmens, L. Willardson
• Comparison of Measured ET From Turfgrass Lysimeters to Calculated ET During Drought Conditions | M. Crookston, B. Mecham
• Changing Watering Restrictions Bylaws to Reflect Advancements in Irrigation Technologies: The City of Calgary as a Case Study | D. Gourdeau, G. Skeates
• Controlling Excessive Residential Irrigation – A Case Study | R. Galbreath, K. O’Cain
• Saving Utah Water in the Fifth Year of Drought | E. Jackson, P. Mohadjer
• Conservation Strategies for Lawn Irrigation During Drought – A Colorado Experience | B. Mecham
• Water Conservation Management Case Studies From Southwestern Golf Courses | D. Wienecke
• Using Recycled Water in Commercial & Residential Applications | J. Wynn, C. Wynn
• Wednesday Is Not a Good Reason To Irrigate | B. Carleton
• Development of a Standardized Testing Protocol for Soil Moisture Sensors: Current Status & Preliminary Test Results | D. Adhikari, F. Cassel S., D. Goorahoo, E. Norum
• Irvine Ranch Water District’s Application of Signal Paging to ET Controllers for Medium-size Commercial Landscapes | T. Hunt, N. Mrvos
• Climate-based Irrigation Scheduling for Warm Season & Cool Season Turfgrasses | R. Arnold, M. O’Neill, T. Sammis, D. Smeal
• City of Tustin & Irvine Ranch Water District Study: Wick irrigation to Beautify, Save Water & Meet the Run-off Regulations | T. Hunt, P. Madsen
• Water Management Committee Update | C. Corcos, J. Ossa
• A Model for Landscape Sizing to Establish Accurate Water Allocation for Any District | F. Sanchez, G. Simjian
• Spray Irrigation & Urban Run-Off: The Looming Crisis in Landscape Irrigation | R. Galbreath, K. O’Cain
• Cross-cultural Sustainability: Managing Your Liquid Assets | R. Bruce, S. Hines, P. Wilder

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2002

Agricultural

All of the technical papers presented in 2002 can be downloaded as a single PDF by clicking here.

• Subsurface Drip Irrigation & Plastic Mulch Effects on Yield & Brix Levels of Kabocha Squash, Cucurbita Moschata | M. Alam, R. Zimmerman
• Sensitivity of Center Pivot Sprinkler & SDI Economic Comparisons | F. Lamm, D. O’Brien, D. Rogers, T. Dumler
• Deficit Irrigation & Partial Rootzone Drying Compared in Figi Apples | B. Leib, P. Andrews, C. Redulla, H. Caspari
• Yield & Irrigation Water Use of Fruit Vegetables Grown With Plastic & Straw Mulch in the U.S. Virgin Islands | M. Palada, S. Crossman, A. Davis, J. Kowalski
• Irrigation Criteria & Drip Tape Placement for ‘Umatillarusset’ Potato Production | C. Shock, E. Eldredge, L. Saunders
• Drip-irrigated Onion More Responsive to Plant Population Than to Fertilizer Nitrogen | C. Shock, E. Feibert, L. Saunders
• Effects of Irrigation & Pruning on ’Concord’ Grape Productivity & Seasonal Root Development | A. Lakso, R. Dunst, D. Eissenstat, L. Comas
• Performance of Line Source Emitters Under Fertigation Using Leachate From an On-farm Anaerobic Digester | D. Haman, D. O’Keefe, A. Barkdoll
• Using Beef Lagoon Wastewater With SDI | F. Lamm, G. Clark, L. Stone, M. Alam, D. Rogers, A. Schlegel, T. Trooien
• Utilization of Recycled Aquaculture Water & Effluents for Forage & Vegetable Crops in the U.S. Virgin Islands | M. Palada, E. Valencia, S. Crossman
• Drip Irrigation With Biological Effluent | T. Trooien, D. Hills, F. Lamm
• Adopting Best Management Irrigation Practice for Winery Wastewater Re-use Onto a Woodlot | S. Olden, P. Buss, M. Dalton, A. Fares
• Application of Swine Lagoon Water to Corn & Alfalfa | W. Kranz, C. Shapiro, B. Anderson, M. Brumm, M. Mamo
• Recycled Water: History, Uses, Composition & Problems | J. Wynn
• Dealing With Changes in Volume & Quality of Effluent at the Dodge City Wastewater Recycling Project Over the Last Sixteen Years – 1986 Through 2001 | J. Zupancic, F. Vocasek
• Reclaimed Water for Citrus Irrigation in Florida | L. Parsons, T. Wheaton, W. Castle
• A Mobile Irrigation Lab For Water Conservation: I. Physical & Electronic Tools | G. Clark, D. Rogers, M. Alam, D. Fjell, S. Briggeman
• A Mobile Irrigation Lab for Water Conservation: II. Educational Programs & Field Data | D. Rogers, G. Clark, M. Alam, R. Stratton, S. Briggeman
• Spatial Variation in Crop Response: I. Overview for Variable Irrigation of Corn | E. Sadler, C. Camp
• Spatial Variation in Crop Response: II. Implications for Water & Nitrogen Management | C. Camp, Y. Lu, E. Sadler
• Practical Utility of Bulk Soil Electrical Conductivity Mapping |H. Farahani, G. Buchleiter
• Valuable Agricultural Water Saved in Federal Drought Area of Northern California | R. Frobel, R. Frobel, W. Johnson
• Experiences With the UGA EASY Evaporation Pan for Irrigation of Cotton Grown in Midsouth Clay Soils | S. Thomson, D. Fisher, D. Thomas
• Software Programs Currently Available for Irrigation Scheduling | J. Henggeler
• Weather Data Collection for Irrigation Management | G. Hoogenboom, L. Guerra, K. Harrison, D. Thomas, V. Boken, J. Hook
• Predicting Water Demand for Irrigation Under Varying Soil & Weather Conditions | L. Guerra, G. Hoogenboom, J. Hook, D. Thomas, K. Harrison
• Irrigation Scheduling for Cotton & Soybean in Northeast Louisiana | S. Hague, A. Coco
• Agricultural Water Use in Georgia: Monitoring Results From AG. Water Pumping | D. Thomas, K. Harrison, J. Hook, L. Wheeler, G. Hoogenboom

Turf

• Identifying & Relieving Soil Water Repellency in Turfgrass Systems| J. Cisar
• Addition of Surfactants to Turf Systems: Effect on Infiltration Rates & Root Zone Water Storage | D. Goorahoo, G. Carstensen, D. Zoldoske, S. Kostka, K. Mauser, M. Franklin
• Advances in Understanding & Managing Water Repellent Soils | S. Kostka, C. Miller, L. Dekker, K. Oostindie, C. Ritsema, D. Karcher
• Sewage Effluent – Liability or Asset? | R. Ruskin
• Planning for Water Reuse in North Carolina | T. Woody, M. Shafer
• Dual Water Systems in Northern Colorado | W. Eckas
• Alternatives to Potable Water for Landscape Irrigation | S. Smith
• Changes to the Irrigation Paradigm: The City of Calgary Parks as a Case Study | D. Gourdeau, D. Marter
• Landscape Irrigation Auditing: A Mobile Laboratory Approach for Small Communities | D. Thomas, K. Harrison, R. Reed
• Practical Applications of Landscape Irrigation Water Management | J. McCabe, D. Smith, R. Allen
• Comparison of Catch Can Distribution Uniformity to Soil Moisture Distribution Uniformity in Turfgrass & the Impacts on Irrigation Scheduling | B. Mecham
• Irrigation Construction Management: Capital Projects Irrigation Design & Installation Quality Control | B. Davis
• Denver Parks Irrigation System Inventory Project | D. Pacetti

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