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S3-D ~ • <br />~ "`~ S.3 -Otero sandy loam, 5 to 9 percent slope <br />•~ - <br />This is a deep, well drained soil on gentle plains at elevations of 4700 " <br />to 5250 feet. It formed in mixed ouCwa~h and eolian deposits. <br /> <br />Included in this unit are some soils with sandstone and shale +3bove 60 <br />inches. <br />Typically the surface layer is brown sandy loam about 10 inches; thick. <br />The underlying material, to a depth of 50 inches, is a pale brown cal- <br />careous fine sandy loam. <br />Permeability is 'rapid: 'A~ailable water 'capacity is moderate. Effeftiye . <br />rooting depth is 60 inches or more. Surface runoff is medium I:o rapid <br /> and erosion hazard is low. . <br />,~- <br />i . ~_ <br />~-' <br /> <br />ited to <br />Thi <br />il is s <br /> <br />limited cro <br />in <br /> <br />i <br />i <br />t <br />i <br />i <br />h <br /> s so <br />u pp <br />g; n <br />ens <br />ve cropp <br />ng <br />s <br />azardous <br /> because of erosion. The cropping system should be limited to close grown <br /> crops such as alfalfa, wheat and barley. The soils also are adapted to <br /> irrigated pasture.. A suitable cropping system would. be alfalf~i 3 to 4 <br />years followed by corn and small grain for 2 years and alfalfa seeded with <br />l <br />a nurse crop <br />/l '1 <br />• 1 <br />Close grown crops may be irrigated from closely spaced contour ditches or <br />sprinklers. Contour furrows or sprinklers should be used for r~ew crops. <br />Applications of nitrogen and phosphorous fertilizer will help riaintain <br />good production. <br /> <br />i <br /> <br />