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Last modified
11/2/2015 10:00:43 AM
Creation date
10/27/2015 1:56:22 PM
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Reference Library
Title
IRRIGATIONIST SYMPOSIUM: AUGMENTED DEFICIT IRRIGATION (ADI)
Author/Source
JON ALTENHOFEN, PE: SOUTH PLATTE PROJECTS MANAGER
NORTHERN COLORADO WATER CONSERVANCY DISTRICT
Keywords
DEFICIT, IRRIGATION, AUGMENT, CONSUMPTIVE USE, RESEARCH, YIELD
Document Type - Reference Library
Presentations
Document Date
3/15/2012
Year
2012
Team/Office
Division 1 Office
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110% <br />100% <br />90% <br />80% <br />70% <br />d <br />e <br />60% <br />50% <br />40% <br />30% <br />20% <br />45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100% 105% <br />%ET <br />%Yield vs %ET (each pt % of Full Yid & Full ET) <br />From Various S. Platte, Colorado Projects and Years (2006-2010) <br />2008 A <br />A • <br />♦ x <br />2006 ♦ • <br />x x <br />2007 <br />X A4 A <br />X <br />x <br />1:1 Linear A LIRF08-drip • LIRF09-drip <br />♦ LIRF10-drip ■ CSU ARDEC-spk 3 yrs of data ('06-'08) x CSU/Parker I008-spk <br />Regen10 Trt2 Bulk Yld & Avg ET O "TARGET' (80% Vld / 50°% ET) )K Regen10 Trt 2 & 3 WB-ETc flood limited <br />Data Points above the 1:1 Linear line represent an increase in Water Productivity; more BU per inch of ET under deficit irrigation. <br />The Regenesis 2010 deficit Trt 2 with bulk yield data increased water productivity 19%; 76% Yield / 64% <br />ET or 9.7 Bu/inch Trt 2 / 8.2 Bu/inch Trt1. Note that the ratio of %Yield / % ET is the same as the ratio of Bu/inchET Trt 2 deficit <br />/ Bu/inchET Trt 1 full. <br />
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