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<br />.,... <br />. - <br /> <br />c.....) <br /> <br />~ <br /> <br />,.. , <br />- <br />-::~ <br /> <br />.;:::J <br /> <br />TABLE 8 <br />GRAND VALLEY SALINITY CONTROL PROJECT <br />ACTUAL DEEP PERCOLATION AND <br />SALT LOAD REDUCTION FROM SURGE SITES, 1991 <br /> <br />------- Farm ------- ------- Salt Load Reduction1/------- <br />site2/ Deep Perc. Salt Salt Tons Saved <br />Acres inIac. Tons/a. i. Tons/ac. w/surae <br />11 4.3 16.0 0.280 4.48 <br />39 7.5 6.1 0.280 1.71 <br /> Difference 9.9 2.77 20.8 <br />15 18.9 23.1 0.263 6.08 <br />41 16.6 14.5 0.263 3.81 <br /> Difference 8,6 2.27 37.7 <br />26 19.0 4.1 0.341 1.40 <br />51 9.6 2.1 0.341 0.72 <br /> Difference 2.0 0.68 6.5 <br />43 2.4 29.0 0.341 9.89 <br />44 4.8 28.3 0.341 6.92 <br /> Difference 0.7 2.97 14.3 <br />49 8.8 30.9 0.263 8.13 <br />50 8.8 30.4 0.263 7.99 <br /> Difference 0.5 0.14 1.2 <br /> <br />Conventional Average <br />Surge Average <br /> <br />Difference <br /> <br />20.6 <br />16.3 <br />4.3 <br /> <br />6.00 <br />4.23 <br />1. 77 <br /> <br />80.53/ <br /> <br />Percent Reduction <br />Using Surge system <br /> <br />20.8 <br /> <br />29.5 <br /> <br />1/ Based on the Grand Valley Hydrosalinity model, see Appendix F <br />2/ All comparison sites (surge and conventional) established in the same field but <br />different locations <br />3/ Total salt load reduction was 80.5 tons from 47.3 acres of field with surge system <br /> <br />30 <br />