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• <br />GRAVIiL BRl?AFS RANGL SITE <br />The soils of this range site contain gravel that permits rapid <br />infiltration of water. Because of the gravel, however, moisture hold- <br />ing properties are fair to low. <br />T1~e soils dry out tap idly, and, For this reason, plants having <br />a root system that reaches into a large area of soil are best adapted, <br />The soils on this site are gently sloping to steep, <br />Side-oats grams, little bluestem, an<{ needle-and-thread are the <br />dominant grasses on this site, but prairie-clover is cotmmn. All of <br />these plants are de creasers. Blue grams, hairy grams, and Indian <br />ricegrass are common increasers. Other increasers of less importance <br />are hairy goldaster, dotted gayfeather, buckwheat, yucca, snakeweed, <br />and sageworts. <br />flhen this site is in excellent condition, the total annual yield <br />of air-city herbage ranges from 750 pounds per acre to 1,200 pounds <br />both in unfavorable and favorable years. About 90 percent of the <br />total annual yield comes from plants that provide forage for cattle. <br /> <br />