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<br />Table 19 - Annual Salt Pickup and Potential Reduction <br />Attributed to On-Farm Irrigation <br /> <br />Al ternative <br />Plan 1/ <br /> <br />Salt <br /> <br />Pickup <br />Seepage <br />Head <br />Ditches <br /> <br />from <br />Tai lwater <br />Ditches <br /> <br />Sal t load 2/ <br />Oel ivered <br />to River <br /> <br />Potential <br />Reduction <br /> <br />Deep <br />Percolation <br /> <br /> -----------------------------Tons---------------------------------- <br /> Present 139,000 9S,000 63,000 300,000 <br /> 56,000 17,000 71 ,000 150,000 150,000 <br />\J1 2A 88,000 10,000 38,000 140,000 160,000 <br />'" <br /> 2B 51,000 10,000 65,000 130,000 170,000 <br /> 3A 75,000 10,000 39,000 130,000 170,000 <br /> 3B 56,000 lO,OOO 60,000 130,000 170,000 <br /> 4A 89,000 29,000 50,000 170,000 130,000 <br /> 4B 71 ,000 29,000 64,000 170,000 130,000 <br /> , <br /> . ~ " ;. <br /> , <br /> 1/ Al ternat i ves 2A, 3A and 4A represent management for maximum eff i ci ency. <br /> Al ternatives 28, 3B and 4B represent management for minimum deep percolation. <br /> 2/ Sum of columns 2, 3 and 4 rounded to next highest 10,000 tons. <br />