6th Decennial National Irrigation Symposium, 6-8, December 2021, San Diego, California

  1. Irrigation Management Outcomes using Increasingly Complex Geospatial Technologies
    Authors:   Kelly R. Thorp, Diaa Eldin Elshikha, Pedro Andrade-Sanchez
    Keywords:   Cotton, FAO-56, Fractional Cover, Irrigation Scheduling, Unmanned Aerial System
    DOI:   10.13031/irrig.2020-004
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  2. Citrus Water Use and Soil Moisture Distribution using Regulated Deficit Irrigation
    Authors:   Davie M. Kadyampakeni
    Keywords:   Candidatus Liberibacter asiaticus, Citrus sinensis, drip irrigation, regulated deficit irrigation.
    DOI:   10.13031/irrig.2020-006
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  3. Trends in Agricultural Surface Drip and Microirrigation
    Authors:   Charles M. Burt, Paul McFadden, Lance Goldsmith, Aric Olson
    Keywords:   Drip, microirrigation, surface drip, 2020 drip update
    DOI:   10.13031/irrig.2020-008
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  4. Simulating alfalfa forage yields under full and deficit irrigation using the FARMs Web app in California
    Authors:   Isaya Kisekka, Umair Gull, Daniel H Putnam
    Keywords:   Alfalfa, Climate change, Irrigation, FARMs, Water, Central Valley California
    DOI:   10.13031/irrig.2020-009
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  5. Effect of Shade on Water Use Rates of Selected Amenity Turfgrasses
    Authors:   Charles Fontanier, Becky Cheary, Naba Amgain
    Keywords:   bermudagrass, evapotranspiration, irrigation, lysimeter, zoysiagrass.
    DOI:   10.13031/irrig.2020-014
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  6. Partners in Conservation: Saving Water for Agriculture in Texas
    Authors:   Cameron G. Turner, Whitney Johnson, Antonio Delgado
    Keywords:   Agriculture, Conservation, Grants, Irrigation, Texas, Water.
    DOI:   10.13031/irrig.2020-022
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  7. Challenges and Opportunities in Intelligent Decision-Making for the Center Pivot Irrigation System in the US
    Authors:   Jingwen Zhang, Kaiyu Guan, Bin Peng, Chongya Jiang, Yi Yang, Ming Pan, Trenton E Franz
    Keywords:   center pivot irrigation, process-based, statistically-based, water stress, real-time irrigation decision-making.
    DOI:   10.13031/irrig.2020-023
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  8. Impact of Irrigation and Nitrogen Management Strategies on Sugarbeet (Beta vulgaris L.) Yield, Evapotranspiration, and Crop Water Productivity
    Authors:   Vivek Sharma
    Keywords:   Sugarbeet, Crop Evapotranspiration, Crop Water use Efficiency, Irrigation Water Use Efficiency, Nitrogen, Wyoming
    DOI:   10.13031/irrig.2020-025
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  9. Crop Rotation, Irrigation System, and Irrigation Rate on Cotton Yield in Southwest Georgia
    Authors:   Ronald B. Sorensen, Marshall C. Lamb, Christopher L. Butts
    Keywords:   Cotton yield, Drip irrigation, Irrigation Water Use Efficiency, Shallow Subsurface Drip Irrigation, Subsurface Drip Irrigation, Value Water Use Efficiency
    DOI:   10.13031/irrig.2020-026
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  10. Empowering County Extension Agents to Teach Water Conservation on Farms Using Soil Moisture Sensors
    Authors:   Charles E Barrett, Deonne Broughton, Yvette Goodiel
    Keywords:   Extension, irrigation management, on-farm demonstrations, soil moisture sensors
    DOI:   10.13031/irrig.2020-028
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  11. Evaluating the Use of True Color Unmanned Aerial System images for Irrigation Scheduling in Citrus
    Authors:   Juan Enciso, Uriel Cholula, Ashish Masih, Jose L. Chavez, Jorge Solorzano, Ayrton Laredo
    Keywords:   Crop evapotranspiration, excess green index, irrigation scheduling, triangular greenness index, unmanned aerial system.
    DOI:   10.13031/irrig.2020-032
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  12. Annually Estimating Irrigation Use in Texas
    Authors:   A E Delgado, Cameron G. Turner, Whitney Johnson
    Keywords:   Acres, Agriculture, Conservation, Grants, Irrigation, Texas, Water.
    DOI:   10.13031/irrig.2020-034
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  13. Global Production and Free Access to Landsat-Scale Evapotranspiration with EEFlux and eeMETRIC
    Authors:   Ayse Kilic, Richard G Allen, Phillip Blankenau, Peter Revelle, Doruk Ozturk, Justin Huntington
    Keywords:   EEFLUX; eeMETRIC; Energy Balance; Evapotranspiration; Google Earth Engine; Landsat; METRIC;
    DOI:   10.13031/irrig.2020-038
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  14. Effects of Irrigation Rate and Plant Density on Maize Water Use Efficiency and Grain Yield
    Authors:   Vasudha Sharma, Jeppe Kjaersgaard, Fabian Fernandez, Joshua Stamper
    Keywords:   Coarse-textured soil, Evapotranspiration, Irrigation efficiency, Minnesota, Soil water storage, Minnesota Irrigation management.
    DOI:   10.13031/irrig.2020-039
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  15. A Viability Assessment of Subsurface Drip Irrigation in the Desert Southwest
    Authors:   Ali Montazar
    Keywords:   Alfalfa, California low desert region, SDI, spinach, sugar beets.
    DOI:   10.13031/irrig.2020-040
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  16. Deficit Irrigation Management using Canopy Cover and Temperature to Inform Crop Coefficient Methods
    Authors:   Kendall C DeJonge, Huihui Zhang
    Keywords:   crop coefficient, CWSI, DANS, deficit irrigation, evapotranspiration, FAO-56, infrared thermometry, irrigation scheduling
    DOI:   10.13031/irrig.2020-043
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  17. Advancements of Sensor-based Water Management to Maximize Crop Water Use Efficiency in Conjunction with Direct Root Zone (DRZ) Subsurface Drip Irrigation
    Authors:   Pete W. Jacoby, Lav R. Khot
    Keywords:   Direct Root Zone, Electronic capacitance, Remote sensing, Subsurface micro-irrigation, Water Use Efficiency
    DOI:   10.13031/irrig.2020-045
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  18. Assessing the Impact of Furrow and Drip Irrigation Systems on Fresh Market Onions in Imperial County, California
    Authors:   Jairo N Diaz-Ramirez, Roberto Soto-Ortiz, Daniel Geisseler, Irwin Donis-Gonzalez
    Keywords:   California low desert region, Drip irrigation, Furrow irrigation, Quality, Onions, Water use efficiency, Yield.
    DOI:   10.13031/irrig.2020-049
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  19. Irrigation Scheduling Tools: IrrigWise and IrrigWise-PRISM for Agricultural Crops and Urban Landscapes
    Authors:   Ripendra Awal, Ali Fares, Hamideh Habibi
    Keywords:   Irrigation scheduling, IrrigWise, IrrigWise-PRISM, Irrigation water use efficiency, Crops, Urban landscape.
    DOI:   10.13031/irrig.2020-050
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  20. Evolution of Smart Irrigation Controllers: A 15 Year Texas Perspective
    Authors:   Charles L Swanson, Guy Fipps
    Keywords:   Evapotranspiration, Irrigation Technology, Landscape Irrigation, Smart Controllers, Water Conservation.
    DOI:   10.13031/irrig.2020-051
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  21. A Regional Approach to Improving Soybean Irrigation Management in the Southeastern United States
    Authors:   B. G. Leib, T. J. Knappenberger, G. Vellidis, O. Wendroth
    Keywords:   Irrigation Scheduling, Matric Potential Sensors, Site-Specific Irrigation, Soybean, Water Balance
    DOI:   10.13031/irrig.2020-054
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  22. Correlation of Almond Yield with Applied Water and Remotely Sensed Canopy Temperature in the San Joaquin Valley of California
    Authors:   Blake L McCullough-Sanden, James McBride, Daniel Urban, Robert Heilmayr, Nina Kilham, Ashwin Madgavkar, Bruce D Lampenin, Ken Shackel
    Keywords:   almond yield, canopy temperature, ET, remote sensing, monitoring stress, water production function
    DOI:   10.13031/irrig.2020-060
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  23. Sprinkler Irrigation System Field Checklist
    Authors:   Charles Hillyer, Troy Peters, Xin Qiao, Derek Heeren, Jake LaRue, Clarence Prestwich, Sandeep Bhatti
    Keywords:   Center pivot, Field check, Pivot maintenance, Checklists
    DOI:   10.13031/irrig.2020-061
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  24. BAITSSS Model: An Opportunity to Integrate Remote Sensing and Energy Balance Modeling for In-Season Crop Water Management
    Authors:   Ramesh Dhungel, Rob Aiken, Xiaomao Lin, Paul D. Colaizzi, R. Louis Baumhardt, Dan O’Brien, David Brauer
    Keywords:   BAITSSS, surface energy balance, remote sensing, gridded weather data, irrigation scheduling
    DOI:   10.13031/irrig.2020-065
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  25. Current Frameworks for Reference ET and Crop Coefficient Calculation
    Authors:   Richard G. Allen, Ayse Kilic, Clarence W. Robison
    Keywords:   consumptive use, dual crop coefficient, evapotranspiration, FAO-56, irrigation water requirements, remote sensing, gridded weather data
    DOI:   10.13031/irrig.2020-070
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  26. MOPivot Tool to Define Management Zones for Center Pivot Variable Rate Irrigation Systems
    Authors:   Anh T. Nguyen, Allen L. Thompson, Kenneth A. Sudduth, Earl D. Vories
    Keywords:   automated, management, map, satellite, soil, unique.
    DOI:   10.13031/irrig.2020-072
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  27. Using Variable-Rate Irrigation for Water and Energy Conservation and Crop Productivity; A case study in Southern Alberta, Canada.
    Authors:   Aghil Yari, Dr., Chandra A Madramootoo, Dr., Shelley A Woods, Dr., Viacheslav I. Adamchuk, Dr.
    Keywords:   Variable-rate irrigation, water conservation, center pivot irrigation system, excessive irrigation, crop yield, and crop model.
    DOI:   10.13031/irrig.2020-078
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  28. Satellite Observations of Variability in Evapotranspiration over an Intensive Tomato Producing Region of Southern Ontario, Canada.
    Authors:   Samuel O Ihuoma, Mr., Chandra A Madramootoo, Dr.
    Keywords:   Agricultural water management, irrigation, satellite imagery, sentinel-2, tomato crop.
    DOI:   10.13031/irrig.2020-079
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  29. The Application of Crop Modeling for Irrigation and Water Management
    Authors:   Gerrit Hoogenboom
    Keywords:   Computer Models, Decision Support Systems, Irrigation Scheduling, Soil-Plant-Atmosphere Continuum, Water Use Projection
    DOI:   10.13031/irrig.2020-084
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  30. Center Pivot Control Panels Should Vary Cycle Time Instead of Run Time to Set a Percent Setting
    Authors:   Troy Peters, P.E., Ph.D., Abdelmoneim Z Mohamed, Ph.D., Donald W McMoran
    Keywords:   Center Pivot, Linear Move, Control Panels, Uniformity, Stop-Go, Intermittent movement, Electric wheel drives, motor cycling.
    DOI:   10.13031/irrig.2020-103
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  31. Mobile Drip Irrigation Transforming Center Pivots Through Drip Technology
    Authors:   Zane S Jenkins, Monty J Teeter
    Keywords:   Drip Irrigation, Evaporative Losses, MDI, Mobile Drip Irrigation, Water Conservation.
    DOI:   10.13031/irrig.2020-106
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  32. Sustainable Irrigation as a Conservation Measure in Frisco, Texas
    Authors:   Ronald E Garcia
    Keywords:   Education, Gallons Per Capita Daily, GPCD, Irrigation, Water Conservation.
    DOI:   10.13031/irrig.2020-110
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  33. Factors Affecting In-Field Soil Water Variability and Irrigation
    Authors:   Mary Love M. Tagert, Blade C. Hodges, Joel O. Paz, Dennis B. Reginelli
    Keywords:   Granular sensors, soil moisture, spatial variability, sprinkler irrigation, temporal variability.
    DOI:   10.13031/irrig.2020-116
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  34. Forty Years of Testing at the Center for Irrigation Technology
    Authors:   C. Hillyer, E. M. Norum, K. H. Solomon, D. F. Zoldoske, K. N. Norum, K. S. Vang, T. Jacobsen
    Keywords:   Applied research, entrepreneurship, irrigation, technology transfer, third-party testing, pump, sprinkler, drip-irrigation.
    DOI:   10.13031/irrig.2020-119
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  35. Evaluation of Canal Liners in the Rio Grande Valley of Texas over 18 Years - Final Results and Conclusions
    Authors:   Gabriele Bonaiti, Guy Fipps
    Keywords:   Durability, Geomembrane, Irrigation, Lining Material, Performance Evaluation, Seepage, Water District
    DOI:   10.13031/irrig.2020-120
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  36. The Status of ET (Evapotranspiration) Networks in the United States
    Authors:   Guy Fipps, Charles Swanson
    Keywords:   Evapotranspiration, Irrigation, Mesonet, Network, Weather Stations.
    DOI:   10.13031/irrig.2020-122
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  37. Wireless Soil Moisture Measurement in Turfgrass with Internet-of-Things (IoT) Technology and Low-Cost Sensors
    Authors:   Jay Ham, Ian Aksland, Dylan Casey, Tony Koski, Yaling Qian, Charles McClelland
    Keywords:   Capacitive Sensor, Cloud Computing, Irrigation Scheduling, Golf Course, Open Source, Printed Circuit Boards, Soil Water Content
    DOI:   10.13031/irrig.2020-132
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  38. Drip-based Compact Bed Geometry for Improving Economic and Environmental Sustainability of Fresh Produce
    Authors:   Kira M. Hansen, Rajendra P. Sishodia, Sanjay Shukla, Nathan Holt, Gregory S. Hendricks
    Keywords:   Plastic, Pesticides, System Efficiency analysis, Water Conservation, Nutrient Losses
    DOI:   10.13031/irrig.2020-133
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  39. Advances in Precision Irrigation Management of Cotton
    Authors:   Earl D Vories, Susan A O’Shaughnessy, Steven R Evett, Manuel A Andrade
    Keywords:   cotton, irrigation, irrigation scheduling, variable rate irrigation.
    DOI:   10.13031/irrig.2020-134
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  40. Comparing Downwind Evapotranspiration Suppression in LESA and MESA Irrigation Systems
    Authors:   Behnaz Molaei, R Troy Peters, Abhilash K Chandel, Lav R Khot, Claudio O StÖckle, Colin S Campbell
    Keywords:   Evapotranspiration, downwind suppression, low elevation spray application, mid elevation sprinkler application, irrigation efficiency.
    DOI:   10.13031/irrig.2020-138
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  41. Evaluation of Two Automated Irrigation Scheduling Methods for Drip Irrigated Potato
    Authors:   Clinton C. Shock, Erik Feibert, Ami Gips, Yechiam Gets, Lior Doron, Offer Halperin
    Keywords:   Automated irrigation, Clearwater Russet, Crop evapotranspiration, Netbeat, Soil water tension
    DOI:   10.13031/irrig.2020-141
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  42. Preprocessing the Inputs is Half of the Battle: Forecasting Irrigation Water Needs with Machine Learning
    Authors:   Sandra M Guzmán, Bharat Kulkarni
    Keywords:   Preprocessing, irrigation, machine learning, ANN, expert knowledge, soil moisture, water.
    DOI:   10.13031/irrig.2020-142
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  43. Irrigation Methods and Nitrogen Fertilizer Application Strategies for Potato
    Authors:   Andre da Silva, Lincoln Zotarelli, Michael D. Dukes, Senthold Asseng, Edzard van Santen, Shinsuke Agehara
    Keywords:   Drainage, nitrogen use efficiency, Solanum tuberosum, water table management, water conservation.
    DOI:   10.13031/irrig.2020-147
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