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


We irrigate most of our crops in the arkansas delta l.jpg

We irrigate most of our crops in the Arkansas Delta Associate Professor / Extension Engineer

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


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Arkansas ranks fourth among states in irrigated acreage. Associate Professor / Extension Engineer

Nebraska, California, Texas

Arkansas irrigated acres is still increasing which is not the case for most of the other states.


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Computerized Irrigation Scheduler Associate Professor / Extension Engineer

www.uaex.edu

Agriculture-Computer Programs-Irrigation Scheduling


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Arkansas producers operate approx. 50,000 irrigation pumps Associate Professor / Extension Engineer


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Growing Concern Associate Professor / Extension Engineer

White River Irrigation Project


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Increasing Energy Costs for Irrigation Associate Professor / Extension Engineer


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Pumping Cost Spreadsheet Associate Professor / Extension Engineer

Publication “Estimating Irrigation Costs”


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On Associate Professor / Extension EngineerFarm Irrigation Demonstrations


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Arkansas MIRI Comparisons Associate Professor / Extension Engineer

  • Years: 2001 – 2006

  • Number of Comparisons: 24

  • Average Savings: 23%

  • Savings Range: 8% - 44%

Comparison avg for watershed study is 19%


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Watershed Protection Projects Associate Professor / Extension Engineer

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


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Two Wheat Fields Followed By Soybeans 2007 Associate Professor / Extension Engineer

Field B

Field A


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Irrigation Water Monitoring With Flowmeters Associate Professor / Extension Engineer


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Measuring and sampling runoff Associate Professor / Extension Engineer

datalogger

runoff weir

water sampler

depth sensor


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Runoff Water From Rice, 05 Associate Professor / Extension Engineer

6 inches

Inches


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Phaucet Program For Furrow Irrigation Associate Professor / Extension Engineer


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Phaucet Program For Furrow Irrigation Associate Professor / Extension Engineer

  • 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


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Surge Valve Irrigation Associate Professor / Extension Engineer


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Phaucet Program and Surge Valve Combination Associate Professor / Extension Engineer

Reduced pumping by average of 25 %


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Fertigation With Center Pivots Associate Professor / Extension Engineer


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Remote Monitoring & Control Of Irrigation Pumps Associate Professor / Extension Engineer

Fuel Sensor

Water Sensor


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Safety Concerns Associate Professor / Extension Engineer

PTO Shield


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External Funding Associate Professor / Extension Engineer

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