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~~ <br />F~ <br />Native vegetation on these soils consists mainly of western wheatgrass, <br />Indian ricegtass, needleandthread, blue grama, muttongrass, fendlers <br />threeawn, junegrass, big sagebrush, rabbitbrush, pinyon pine, Rocky Mountain <br />juniper, Ponderosa pine, mountain mahogany, serviceberry, snowberry, and <br />Gambel oak. <br />Steepness of slope limits access by livestock and promotes overgrazing <br />of the less sloping areas. Proper grazing use in conjunction with a planned <br />grazing system are important practices to insure desired quantity and <br />quality of native vegetation. Deferred grazing speeds up revegetation of <br />areas depleted by overgrazing and other disturbances and improves areas in <br />poor condition. Stockwater development and fencing can improve the <br />distribution of livestock and the production of understory plants. <br />Us[ic Torriorthents and Ustollic Haplargids are suited to the <br />production of pinyon and juniper. Woodland products such as firewood, Fence <br />posts, Christmas trees, and pinyon nuts can be obtained from these soils. <br />They are capable of producing about 14 cords of firewood per acre in a stand <br />that averages five inches in diameter at a height of one foot, when all <br />limbs larger than two inches in diameter are used. The main limitations for <br />woodland production are low available water capacity, steep slopes, <br />stoniness and high erosion hazard. <br />Limiting soil disturbance when harvesting trees will help minimize soil <br />erosion. Reseeding to adapted grasses may be necessary in some areas after <br />harvesting trees. Low precipitation and brushy plants may influence <br />seedling survival. Areas can be maintained in pinyon and juniper by <br />selective cutting, leaving small trees and a few larger seed producing <br />trees, and controlling livestock grazing so that seedling trees may get <br />z <br />established. <br />