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<br />salini t)' and soil salini t}' at vadous depths and time. Such data. .
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<br />for the Irl'icatio;l ~:anar,c,,:~nt Services and System Improvement 1'1'0-
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<br />f,rar.ls. At tho ini ti:ltion of collectinG Hater samples from these
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<br />Ilclls. adJi tiO:1:1l soil sa".ples Ilerc taken :It the ,yell site. It is
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<br />hoped that sOllle cOl'J:elatioil C:l.n be fouad between the l;round-lIater
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<br />:11'0 l:equlred to evaluate .the success of the Irrigation Scheduling
<br />;md S}'stems Improvement Pror,rmns.
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<br />COlnputerized schedulinG 01'" irrications has been used in several
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<br />areas for a number of years. Prior to the Water Quality Improver.lent
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<br />ProGram in'icatioil scheduling was used as a method to savo on water
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<br />usace and also to improvo crop quality and quantity. Under the
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<br />Water Quality Improvement Program the r,oal of irrigation scheduling
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<br />is also to reduce the :eaching of salts .into the Colorado River.
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<br />In the Grand Valley it ,./ill be a number of years before tho total
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<br />effects of scheduling will be l'ealized. For this reason prelim-
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<br />inary \."ork wa~ UU'-lC: iT, the fa..ll of 1973 to evaluate isolated arcas
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<br />within the Grand Valley \'Ihere a detailed hydrologic study could be
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<br />At the initiation of the Colorado River \'Iatel' Quality I;.lprove,nent
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<br />.Improvcment pronrams in ~. shorter period.
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