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<br />The Department of Agriculture scheduling procedure is also used to determine when to <br />irrigate and the amount of water to apply. Desk top programmable calculators are used <br />for this purpose. <br /> <br /> <br />Programmable calculators determine irrigation <br />schedule and amount of water to apply. <br /> <br />The Bureau of Reclamation is currently scheduling irrigations on 6,800 acres of fields in <br />the Grand Valley to improve water management practices. <br /> <br />'* USGPO 1974 781--433 <br /> <br />~S6Z00 <br /> <br />CDJECTIUE4 ... <br /> <br />Objective 4 is to determine the parameters for extending the experimental <br />findings to other districts in the Grand Valley and other irrigation projects in <br />the Colorado River Basin, and to determine the effects of these findings on <br />unsaturated hydraulic conductivity. <br /> <br />Results obtained at Grand Valley should be useful for other areas if the proper <br />precautions are used. However, there is a lack of information on the interaction <br />of soil mineralogy, salt behavior, and soil hydraulic properties. <br /> <br /> <br />Laboratory experimen~ <br /> <br />-..J <br />r <br />, <br />'... <br /> <br />will provide information <br /> <br />that wilt extend the Grand <br /> <br />Valley field results to <br /> <br />other situations in the <br /> <br />Colorado Basin. <br />