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<br />N <br />o <br />o <br />~ <br /> <br />~ <br /> <br />TABLE 3 <br /> <br />SCS Onfarm System Improvement Program <br />Wellton-Mohawk Irrigation and Drainage District, <br />Arizona <br /> <br />Crop Year 1980 <br /> <br />Deep Percolation ~/ <br /> <br />Crop <br /> <br /> Reduced Deep <br />Before After Difference Percolation <br />Ac-Ft/ Ac Ac-Ft/Ac Ac-Ft/Ac Acres Ac-Ft <br />9.84 7.23 2.61 2,015 5,259 <br />3.49 3.05 0.44 2,370 1,043 <br />5.56 3.93 1.63 1,852 3,019 <br />5.44 3.40 2.04 475 969 <br />5.33 1.14 4.19 742 3,109 <br />11.41 4.20 7.21 205 1,478 <br />3.49 3.32 0.17 350 60 <br /> 8,009 14,937 <br /> <br />Alfalfa <br />'/lheat <br />Cotton <br />Bermuda <br />Lettuce <br />Citrus <br />Sorghum <br />Totals <br /> <br />Reduction in Deep Percolation - Past Years: <br />Crop Treated Acre <br />Year Acres Feet <br />1977 2,920 7,433 <br />1978 8,001 14,926 <br />1979 10,764 22,797 <br /> <br />~/ 1980 crop year reduction in deep percolation was considerably less than <br />normal due to the adverse effects of high watertables and inundation from <br />Gila River flood flows. <br /> <br />^""'" >. <br />