Irrigation Symposium Schedule

Tuesday, Dec. 7

Attendees can earn 0.33 CEU for each Tuesday session.

Room 11A

Concurrent Session A:
The USDA-ARS ARSPivot Effort

8:00 a.m.-8:20 a.m.
ARSPIVOT, a sensor-based decision support software for variable-rate irrigation center pivot systems: Part A. Development
Manuel Andrade | University of Nevada – Reno

8:20 a.m.-8:40 a.m.
ARSPIVOT, a sensor-based decision support software for variable-rate irrigation center pivot systems: Part B. Application
Manuel Andrade | University of Nevada – Reno

8:40 a.m.-9:00 a.m.
Irrigation management of potatoes using sensor feedback: Texas High Plains
Susan O'Shaughnessy | USDA-ARS Conservation and Production Research Laboratory

9:00 a.m.-9:20 a.m.
A variable-rate irrigation decision support system for corn in the U.S. Eastern Coastal Plain
Kenneth Stone | USDA-ARS Coastal Plain Soil, Water, and Plant Conservation Research Unit

9:20 a.m.-9:40 a.m.
Evaluation of a decision support system for variable-rate irrigation in a humid region
Ruixiu Sui | USDA-ARS Sustainable Water Management Research Unit

9:40 a.m.-10:00 a.m.
Advances in precision irrigation management of cotton
Earl Vories | USDA-ARS Cropping Systems and Water Quality Research Unit

Concurrent Session C:
Improving Crop Coefficients & Usage of ET Information

10:20 a.m.-10:40 a.m.
Applying the FAO-56 dual Kc method for irrigation water requirements over large areas of the western U.S.
Richard Allen | University of Idaho

10:40 a.m.-11:00 a.m.
The status of ET (evapotranspiration) networks in the United States
Guy Fipps | Texas A&M University

11:00 a.m.-11:20 a.m.
Comparison of lysimeter-derived crop coefficients for legacy and modern drought-tolerant maize hybrids in the Texas High Plains
Gary Marek | USDA-ARS Conservation and Production Research Laboratory

11:20 a.m.-11:40 a.m.
Are crop coefficients for SDI different from those for sprinkler irrigation application?
Steven Evett | USDA-ARS Conservation and Production Research Laboratory

11:40 a.m.-12:00 p.m.
Deficit irrigation management using canopy cover and temperature to inform crop coefficient methods
Kendall DeJonge | USDA-ARS Water Management Research Unit

Concurrent Session E:
Irrigation Strategies & Management in the Humid Region

1:00 p.m.-1:20 p.m.
A regional approach to improving soybean irrigation management in the Southeastern United States
Brian Leib | University of Tennessee – Knoxville

1:20 p.m.-1:40 p.m.
The Arkansas “Most Crop Per Drop” contest: An innovative extension method to improve irrigation water management adoption
Chris Henry | University of Arkansas

1:40 p.m.-2:00 p.m.
Rainwater harvesting with solar and gravity powered irrigation for high tunnels
Brian Leib | University of Tennessee – Knoxville

2:00 p.m.-2:20 p.m.
Evaluation of infrared canopy temperature data in relation to soil water-based irrigation scheduling in a humid subtropical climate
Bruno Lena | Auburn University

2:20 p.m.-2:40 p.m.
Irrigation methods and nitrogen fertilizer application strategies for potato
Lincoln Zotarelli | University of Florida

2:40 p.m.-3:00 p.m.
Development of a wireless sensor network for tracking flood irrigation management in production-sized rice fields in the Mid-South
Yin-Lin Chiu | USDA-ARS Delta Water Management Research Unit

Concurrent Session G:
Advancing Center Pivot Irrigation Technologies

3:20 p.m.-3:40 p.m.
MOPivot tool to define management zones for center pivot variable rate irrigation systems
Anh Nguyen | University of Missouri – Columbia

3:40 p.m.-4:00 p.m.
Using variable-rate irrigation for water and energy conservation and crop productivity: A case study in Southern Alberta, Canada
Chandra Madramootoo | McGill University

4:00 p.m.-4:20 p.m.
Center pivot control panels should vary cycle time instead of run time to set a percent setting
Troy Peters | Washington State University

4:20 p.m.-4:40 p.m.
Comparing downwind evapotranspiration suppression in LESA and MESA irrigation systems
Behnaz Molaei | Washington State University

4:40 p.m.-5:00 p.m.
Mobile drip irrigation transforming center pivots through drip technology
Monty Teeter | Dragon-Line LLC

5:00 p.m.-5:20 p.m.
Sprinkler irrigation system field checklist
Xin Qiao | University of Nebraska – Lincoln

Room 11B

Concurrent Session B:
Technologies for Irrigation Management

8:00 a.m.-8:20 a.m.
Within-field variability in granular matrix sensor data and its implications for irrigation scheduling
Tsz Him Lo | Mississippi State University

8:20 a.m.-8:40 a.m.
Factors affecting in-field soil water variability and irrigation
Mary Love Tagert | Mississippi State University

8:40 a.m.-9:00 a.m.
Irrigation management outcomes using increasingly complex geospatial technologies
Kelly Thorp | USDA-ARS U.S. Arid Land Agricultural Research Center

9:00 a.m.-9:20 a.m.
Evaluation of SWAT soil water estimation accuracy using data from Indiana, Colorado, and Texas
Ahmed Hashem | Arkansas State University

9:20 a.m.-9:40 a.m.
Preprocessing the inputs is half of the battle: Forecasting irrigation water needs with machine learning
Sandra M Guzman | University of Florida

9:40 a.m.-10:00 a.m.
Evaluation of canal liners in the Rio Grande Valley of Texas over 18 years – Final results and conclusions
Gabriele Bonaiti | Texas A&M University

Concurrent Session D:
Remote Sensing, Part 1

10:20 a.m.-10:40 a.m.
BAITSSS model: An opportunity to integrate remote sensing and energy balance modeling for in-season crop water management
Robert Aiken | Kansas State University

10:40 a.m.-11:00 a.m.
Global production and free access to Landsat-scale Evapotranspiration with EEFlux and eeMETRIC
Ayse Kilic | University of Nebraska – Lincoln

11:00 a.m.-11:20 a.m.
Evaluating the use of true color unmanned aerial system images for irrigation scheduling in citrus
Juan Enciso | Texas A&M University

Concurrent Session F:
Advancing Microirrigation Across the USA

1:20 p.m.-1:40 p.m.
Advancements of sensor-based Water management to maximize crop water use efficiency in conjunction with Direct Root Zone (DRZ) subsurface drip irrigation
Pete Jacoby | Washington State University

1:40 p.m.-2:00 p.m.
A viability assessment of subsurface drip irrigation in the desert southwest
Ali Montazar | University of California – ANR

2:00 p.m.-2:20 p.m.
Drip-based compact bed geometry for improving economic and environmental sustainability of fresh produce
Sanjay Shukla | University of Florida

2:20 p.m.-2:40 p.m.
Evaluation of two automated irrigation scheduling methods for drip irrigated potato
Clinton Shock | Oregon State University

2:40 p.m.-3:00 p.m.
Assessing the impact of furrow and drip irrigation systems on fresh market onions in Imperial County, California
Jairo Diaz | University of California – ANR

Concurrent Session H:
Irrigation Strategies & Planning

3:20 p.m.-3:40 p.m.
Deficit irrigation strategies for the Western U.S.
Thomas Trout | USDA-ARS Water Management Research Unit (Retired)

3:40 p.m.-4:00 p.m.
Effects of irrigation rate and plant density on maize water use efficiency and grain yield
Vasudha Sharma | University of Minnesota

4:00 p.m.-4:20 p.m.
Water and nitrogen budget dynamics for a maize-peanut rotation in Florida
Maria Isabel Zamora Re | Oregon State University

4:20 p.m.-4:40 p.m.
Impact of irrigation and nitrogen management strategies on Sugarbeet (Beta vulgaris L.) yield, evapotranspiration and crop water productivity
Vivek Sharma | University of Florida

4:40 p.m.-5:00 p.m.
Citrus water use and soil moisture distribution using regulated deficit irrigation
Davie Kadyampakeni | University of Florida