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<br />,- <br />'- <br />H,,) <br />,-. Table 1. - Effect of Soi 1 Properties on <br />.....i Deep percolation <br />. , <br />f""', <br />-.. <br />Effect Soi I Propert i es Acres Percent 1/ <br />on Deep Intake Allowable S'Oi 1 lloisture Depletion of Area <br />Percolation Rate Irrigated <br />Severe High Less than 4 inches 5,000 7.6 <br /> Medium Less than 2.5 inches 200 0.3 <br /> Low Less than 2.5 inches 5,500 8.3 <br /> Subtotals 10,700 16.2 <br />Moderate High Greater than 4 inches 11,100 16.8 <br /> Medium 2.5 to 4 inches 4,800 7.3 <br /> Low 2.5 to 4 inches 1,700 2.6 <br /> Subtotals 17,600 26.7 <br />Sl ight Moderate Greater than 4 inches 9,200 13.9 <br /> Low Greater than 4 inches 28,500 43.2 <br /> Subtotals 37,700 57.1 <br /> TOTALS 66,000 100.0 <br /> <br />l! Reference: Soil Survey, Grand Junction Area, Colorado, Series 1940, No. 19 <br />USDA, SCSi and Colorado Agricultural Experiment Station. <br /> <br />14 <br />