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<br /> <br />~: <br /> <br />..~i - ~ <br />73 -Vona lu:nnv r;nnd„ '1 l,+_', i,t_r, ~•nl _ I"1"•: <br />Phis is a deep, sor.:ewhat excrs.zivuly drnin~~d s.,'i] .,n l;~ntl~ pains <br />and high terraces aC elevations of ~i6U0 to 5200 fc,et. 7t Lorwed <br />in eolian or alluvial deposits. <br />lncluded in this uni.c arc some lovrled are.ts. ,4]sn included arm some <br />soils faith loamy substratums ;lad semc :;oil:; that. arc nmtcalcareous to <br />depths of 60 inches. <br />'typically the surface J.ayer is a grayish brown loamy sand about 6 <br />inches thick. Tlie subsoil is a brown to ] iebt }•ellvwish brotan fine <br />sandy loam about 20 inches thick. 'llic substratum, t.o a drprh of UO <br />Permeability is moderaCCly t'ap.id. Availnl;le water capacity is mod- <br />erate. Gffeccive. rooting depth is 60 inches or more. Surface runoff <br />inches, i.s a sandy lo;un or ]namy sand. <br />is slow and erosion ha::ard i:; low. <br />11tis soil is suited to limited cropping; intensive cropping is hazardous <br />because of wind erosion, Tho crnppi.nl•, system sltoul.d be limited to close. <br />grotan crops such as alfalfa, wheat and barley. 'the soil also is adapted <br />I:o irrigated pas Lure. A suitable cropping; systrm t.+ou]d be alfalfa <br />3 Co 4 years followed by corn and <nrtl.l. grain for 7. years and alfalfa <br />seeded with a nurse crop. <br />Close grown crops may be irrigated from closely (;paced conCOUr diCChes <br />or sprinkler,. Contour fun'rn:s nr sprinklrrs :;hon]d be used for nc•,i <br />crops. Ap¢lic;ttion of barnyard ;tad cnmuu:rcial fertilizer will help <br />n6linta in )}',ul pl'pelUCLl,~n. <br />