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<br />:.1 <br />t"- <br />,\".1") <br />~ <br /> <br />(~* . <br />'_....- <br /> <br />Year Crop <br /> <br />TABLE 3 <br />GRAND VALLEY SALINITY PROJECT <br />COMPARISON OF SITE DATA, 1985-199011 <br /> <br />No. I nf I ow <br />I rr. (i n.) <br /> <br />Outf I ow <br />(in.) <br /> <br />Infi I. Precip. ETa D.P. lrrig. <br />(in.) (in.) (in.) (in.) Effic.% <br /> <br />5 <br />5 <br />5 <br />6 <br />7 <br />5 <br /> <br />64.5 <br />30.1 <br />39.6 <br />47.5 <br />52.1 <br />37.1 <br /> <br />9.1 <br />3.1 <br />3.7 <br />3.0 <br />3.2 <br />5.0 <br /> <br />55.4 <br />27.0 <br />35.9 <br />44.5 <br />48.9 <br />32.1 <br /> <br />SITE *11 <br />1985 Orchard <br />1986 Orchard <br />1987 Orchard <br />1988 Orchard <br />1989 Orchard <br />1990 Orchard <br />SITE *14 <br />1985 Orchard 7 79.9 <br />1986 Orchard 7 65.4 <br />1987 Orchard 6 69.6 <br />1988 Orchard 7 67.9 <br />1989 Orchard 6 46.9 <br />1990 Site Dismantled <br />SITE 115 <br />1985 Alfalfa <br />1986 Alfalfa <br />1987 Alfalfa <br />1988 A I f a I f a <br />1989 Alfalfa <br />1990 P I ante d <br />SITE *17 <br />1985 Grapes <br />1986 Grapes <br />1987 Grapes <br />1988 Grapes <br />1989 Grapes <br />1990 Grapes <br /> <br />39.9 <br />27.3 <br />26.0 <br />20.3 <br />19.6 <br /> <br />40.0 <br />38.1 <br />43.6 <br />47.6 <br />27.3 <br /> <br />7 54.4 <br />8 71.2 <br />8 67.0 <br />9 73.2 <br />8 76.0 <br />to corn <br /> <br />19.9 <br />27.6 <br />18.2 <br />18.7 <br />21.2 <br /> <br />34.5 <br />43.6 <br />48.8 <br />54.5 <br />54.8 <br /> <br />11 <br />14 <br />10 <br />16 <br />17 <br />20 <br /> <br />27.8 <br />36.5 <br />26.5 <br />40.2 <br />31.7 <br />43.7 <br /> <br />27.8 <br />32.9 <br />24.0 <br />36.2 <br />28.6 <br />39.2 <br /> <br />0.0 <br />3.6 <br />2.5 <br />4.0 <br />3.1 <br />4.5 <br /> <br />11 Includes only those sites that were monitored at least five years <br /> <br />9.4 <br />7.6 <br />2.4 <br />3.3 <br />1.6 <br />1.9 <br /> <br />9.8 <br />7.7 <br />2.5 <br />3.3 <br />1.5 <br /> <br />7.8 <br />4.0 <br />2.1 <br />2.1 <br />1.8 <br /> <br />9.8 <br />7.6 <br />2.2 <br />3.5 <br />1.5 <br />2.1 <br /> <br />27.3 <br />31.1 <br />35.6 <br />38.7 <br />36.8 <br />28.4 <br /> <br />29.8 <br />30.8 <br />32.0 <br />35.0 <br />31.3 <br /> <br />33.3 <br />35.8 <br />35.6 <br />39.4 <br />39.6 <br /> <br />32.8 <br />26.4 <br />26.1 <br />30.8 <br />22.6 <br />28.7 <br /> <br />34.2 <br />6.3 <br />9.1 <br />10.0 <br />7.1 <br />10.3 <br /> <br />16.5 <br />14.1 <br />17.5 <br />14.3 <br />0.0 <br /> <br />7.6 <br />10.9 <br />14.4 <br />12.4 <br />14.1 <br /> <br />10.8 <br />9.8 <br />0.2 <br />5.0 <br />2.3 <br />5.6 <br /> <br />TABLE 4 <br />GRAND VALLEY SALINITY PROJECT <br />SIX-YEAR SUMMARY OF IRRIGATION MONITORING DATA, 1985-1990 <br /> <br />Year Field No. of <br />size(ac) irrig. <br /> <br />Inflow <br />(in) <br /> <br />Outflow <br />( i n) <br /> <br />I nf i It. <br />(in) <br /> <br />1985 20 8 63.1 16.8 46.3 <br />1986 20 7 55.3 19.1 36.3 <br />1987 19 7 53.5 16.7 36.8 <br />1988 20 9 55.4 14.1 41.3 <br />1989 21 9 53.9 14.5 39.4 <br />1990 15 8 61.3 18.6 42.7 <br />Averaae 19 8 57.1 16.6 40.5 <br />I/D.P. is average deep percolation for all surface and sprinkler irr. sites <br />2/percent irrig. Effie. = (inflow - outflow - D.P. I infloN) x 100 <br /> <br />15 <br /> <br />ETa <br />(in) <br /> <br />24.2 <br />25.1 <br />27.1 <br />27.5 <br />28.2 <br />25.4 <br />26.3 <br /> <br />D.p.lI <br />(in) <br /> <br />27.7 <br />14.1 <br />13.0 <br />13.5 <br />11.5 <br />17.0 <br />16.1 <br /> <br />33.0 <br />68.8 <br />67.7 <br />72.6 <br />80.2 <br />58.8 <br /> <br />29.0 <br />36.7 <br />37.5 <br />49.0 <br />58.2 <br /> <br />49.0 <br />45.9 <br />51.3 <br />57.5 <br />53.6 <br /> <br />61.0 <br />63.3 <br />89.8 <br />77.6 <br />83.0 <br />76.9 <br /> <br />Irrig.~1 <br />Eff i c. (%) <br /> <br />30 <br />40 <br />45 <br />50 <br />52 <br />42 <br />43 <br />