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.. -: i ~ <br />~-- <br />37,-1•Sante 7onm, 0 to 1 percent slopes <br />This is a deep, well drained soil on nearly level alluvial fans and flood <br />plains at elevations of 7,600 to 8,600 feet. Zt formed in mixed calcareous <br />alluvial sediments, derived mainly from igneous rocks, The average annual <br />precipitation is about ~ Inches, average annual air temperature is about <br />41°F,, and the average frost-free period is about 95 days, <br />Included in this unit are small areas of Luhon and Stunner loams and Garita <br />cobbly loam all having ((slopes of 0 to 1 percent. <br />brOs,Jv~ GLv~ pp0.~•e gown <br />Typically the surface layer 3s,~loarklIthat is 1c1al1careous and about 9 inches <br />~~ tit \I CHOW ~6h, brown <br />thick, The underlying material i~calcareous loam that extends to 60 inches <br />or more, Permeability is moderate, Effective rooting depth is 60 inches or <br />more. Available water capacity is high, Surface runoff is slow and erosion <br />hazard is moderate. <br />This soil is used for native range and for irrigated alfalfa, barley, and <br />oats. Applications of commercial fertilizers are generally needed in <br />addition to manure and plant residues. Generally small grains respond to <br />applications of phosphate fertilizers. <br />The border metho3 of irrigation is well suited to alfalfa and small grain <br />crops. Land leveling and proper lengths of run xill help to conserve water <br />and prevent seepage and salt accumulation. <br /> <br />