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95-Truckton loamy Band, 1 l0 9 percent elopes. This <br />deep, well drained soil formed in alluvium and residuum <br />derived from arkosic sedimentary rock on uplands. Eleva- <br />~ Lion ranges from fi,11W to 7,UIN) feet. The average annual <br />precipitation is about l5 inches, the average annual air <br />temperature is about 47 riegrres M', and the average frost- <br />, Yree period is about 18.5 drys. <br />~ Typically, the surface layer is grayish brown loamy <br />~ sand about H iuchos thick. 'I'hc subauil is brown s:uuly <br />loam about IH inches thick. The substratum is light yel- <br />lowish brown course sandy lu:uu Lu a depth nl' 1;11 inchr^r <br />nr more. <br />. Included with Lhis roil in nu:pping are small xrurs oC <br />~ filakclxnd loamy sand, 1 to :1 percent slopes; firesser <br />sandy loam, 3 Lo 5 percent sloeps; 6resser sandy loam, 5 <br />' to 9 percent slopes; Truckton sandy loam, 0 to 3 percent <br />slopes; and Tnrckton sandy loam, 3 to 9 percent slopes. <br />1'crmc:rbiliLy of this 1'rurkton soil is nwdaratcly rapid. <br />Effective routing depth is fill inches ur more. Available <br />w::l rr cnpxcity is modcrnLc. Surface runoff is slow, and <br />Lhe h:rzat•d of erosion ix moderate Ur high. <br />60 <br />SOIL SL <br />Almost all areas of this soil are used xs rangeland. A <br />few areas of crops such as alfalfa and corn are grown <br />under sprinkler irrigation. <br />This soil is well suited to the production of native <br />vegetation suitable for grazing. (t is best suited to deep- <br />rooted grasses. The native vegetation is mainly cool- and <br />warn-season grasses such as western wheatgrass, sirle- <br />oat_e grama, and needleandthread. <br />Proper range management is needed to prevent exces- <br />sive removal of the plant cover. Intereeeding is used to <br />improve the existing vegetation. Deferment of grazing in <br />spring increases plant vigor and soil stability. Properly <br />locating livestock watering facilities helps to control graz- <br />ing. <br />Windbreaks and environmental plantings are fairly u~el1 <br />suited to this soil. Blowing sand is the main limitation for <br />the establishment of creel and shrubs. The soil is so loose <br />that trees need [o be planted in shallow £un•oa•s and <br />plant cover needs [o be maintained between the row's. <br />Supplemental inrgatiun ma}' he needed to insure survival. <br />Trees that are best suited and have good sut•vival are <br />Rocky Mountain juniper, eastern rerlcedar, ponderosa <br />pine, and Siberian elm. Shrubs that aze beet suited are <br />skunkbush sumac, lilac, and Siberian peashrvb. <br />This soil is suited to wildlife habitat. It is best suited to <br />openland and rangeland wildlife habitat. Rangeland «il- <br />dlife, such as pronghm•n antelope, can be encouraged by <br />developing livestock watering facilities, properly manag- <br />ing livestock grazing, anri reseeding range where needed. <br />This soil has good potential for use as homesites. The <br />main limitation of this soil for roads and streets is frost <br />action potential. Special designs for roads are needed to <br />minimize this limitation. Pt~ccices are needed to control <br />soil blowing and water erosion on construction sites <br />where the plant cover has been removed. Capability sub- <br />class VIe, nonirrigated. <br />