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Phil Tacker Associate Professor / Extension Engineer BS & MS Ag

Phil Tacker Associate Professor / Extension Engineer BS & MS Ag. Eng. U of A, Joined CES August 1982. We irrigate most of our crops in the Arkansas Delta. Rice: 1.5 million acres - all irrigated Corn: 350,000 acres – 80% irrigated

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Phil Tacker Associate Professor / Extension Engineer BS & MS Ag

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  1. Phil Tacker Associate Professor / Extension EngineerBS & MS Ag. Eng. U of A, Joined CES August 1982

  2. We irrigate most of our crops in the Arkansas Delta Rice: 1.5 million acres - all irrigated Corn: 350,000 acres – 80% irrigated Cotton: 1 million acres - 75% irrigated Soybeans: 3 million acres - 62% irrigated Milo: 250,000 acres – 50% irrigated 4.5 million irrigated acres – 74% of total acres

  3. Arkansas ranks fourth among states in irrigated acreage. Nebraska, California, Texas Arkansas irrigated acres is still increasing which is not the case for most of the other states.

  4. Computerized Irrigation Scheduler www.uaex.edu Agriculture-Computer Programs-Irrigation Scheduling

  5. Arkansas producers operate approx. 50,000 irrigation pumps

  6. Growing Concern White River Irrigation Project

  7. Increasing Energy Costs for Irrigation

  8. Pumping Cost Spreadsheet Publication “Estimating Irrigation Costs”

  9. OnFarm Irrigation Demonstrations

  10. Arkansas MIRI Comparisons • Years: 2001 – 2006 • Number of Comparisons: 24 • Average Savings: 23% • Savings Range: 8% - 44% Comparison avg for watershed study is 19%

  11. Watershed Protection Projects Protecting Water Quantity and Quality in The L'Anguille River Watershed – A Field Study Approach Supported by grants from the U.S. EPA, U.S.D.A CSREES and ANRC

  12. Two Wheat Fields Followed By Soybeans 2007 Field B Field A

  13. Irrigation Water Monitoring With Flowmeters

  14. Measuring and sampling runoff datalogger runoff weir water sampler depth sensor

  15. Runoff Water From Rice, 05 6 inches Inches

  16. Phaucet Program For Furrow Irrigation

  17. Phaucet Program For Furrow Irrigation • Helps determine size of holes to punch in tubing • Calculates pressure change along the tubing • Can help address different row lengths in the same set • May increase number of rows irrigated in a set • Should help rows water out more evenly Can possibly reduce irrigation and runoff

  18. Surge Valve Irrigation

  19. Phaucet Program and Surge Valve Combination Reduced pumping by average of 25 %

  20. Fertigation With Center Pivots

  21. Remote Monitoring & Control Of Irrigation Pumps Fuel Sensor Water Sensor

  22. Safety Concerns PTO Shield

  23. External Funding Arkansas State Cotton Support Committee Arkansas Corn and Grain Sorghum Board ANRC, USDA-CSREES, US EPA - $550,000 in last 10 yrs from Grower Check-Off Funds - $1.75 million in grants through US EPA, USDA-CSREES and ANRC as PI or Co-PI

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