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<br />893G <br /> <br />Crop <br />Y~~P~d-- <br />Improved <br /> <br />Alfalfa <br />29 <br />11.6 <br /> <br />~ ~~n=Fm. ~~n ,_O!~~ ~~e_ee~t <br />2O~__~_31' ~,7 1~~_ <br />7.1 20.8 0.4 3." <br /> <br />1 ~ <br />I <br />.--- <br />, <br />+~ <br /> <br />j <br /> <br />'1- <br /> <br />Unimproved/lmproved Data Comparison <br /> <br /> 30 <br /> 25 <br /> 20 <br />Deep Percolation 15 <br />(inches) <br /> 10 <br /> 5 <br /> 0 <br /> Alfalfa <br /> <br /> <br />. Unimproved <br />. Improved <br /> <br />Com <br /> <br />Sm. Grain <br /> <br />Orchard <br /> <br />Grepes <br /> <br />-=-L <br /> <br />Unimproved systems were manually operated surface irrigation systems with -+ <br />minimal irrigation water manogeme~t except gropes which were miro-spray- -T <br />~lemsW1thm,"imaJmonoge~ment. -i~- i~- ] -1- <br />-- 1= _I r---_ - L <br />Improved systems are automated surface systems (sur.g~) W'lth E:lroper irrigatlOn~_ <br />woler monagement except gropes which were mlcro-sprt3Y systems with proper Irngo.tJon water mMogement <br />- - L _---c=r --=c---=r: ---y-- J-= ~ -----r-::. t t <br />These trends show a need to concentrate I'Mvt efforts on small gram crops 1 <br />I r I [ I i-T-;=- ~ ----- <br />Source. Gra.nd Vfill Monrtonn and EvaluatIOn Data. 1985 to 199 ~ <br /> <br />t <br /> <br />I <br />