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<br /> <br />Permeability of the Ildefonso soil is moderately rapid. Available <br />water capacity is low. Effective rooting depth is 60 inches or more. <br />Runoff is medi~sn, and the hazard of rater erasion is high to very high. <br />The Kim soil .is deep and well drained. It formed in alluvium derived <br />dominantly from sedimentary rock. Typically, the upper 38 inches of the <br />soil is loam. The lower part to a depth of 60 inches or more is clay loam. <br />Tte soil is calcareous and moderately alkaline throughout. <br />Permeability of the Kim soil is moderate. Available water capacity is <br />high. Effective rooting depth is 60 inches or more. Runoff is median, and <br />the hazard of water erosion is high. <br />This unit is used mainly as rangeland. A few areas are used as a <br />source of gravel. <br />The potential plant ca~nunity on the tlidway soil is mainly <br />needleandthread and western wheatgrass. Other less numerous plants are <br />sideoats grams, little bluestem, and blue grams. The average arnual <br />productirn of air-dry vegetation is about 400 pounds per acre. If the <br />condition of the range deteriorates, blue grams and cheatgrass increase. <br />Range seeding is suitable if the range is in poor condition. <br />The potential plant oamnunity on the Ildefonso soil is mainly sideoats <br />grams and blue grams. Other less numerous plants are Indian ricegrass, <br />needleandthread, silver bluestem, and little bluestem. The average annual <br />production of air-dty vegetation is about 800 pounds per acre. If the <br />condition of the range deteriorates, blue grams, red threeawn, and galleta <br />increase. Range seeding .is suitable if the range is in poor condition. <br />The plant ccmnunity on the Kim soil is similar to that rn tlidway and <br /> <br />Ildefonso soils and is usually not in large enough areas to describe a <br />separate range site. <br />