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attracted by establishing areas for nesting and escape cover. For pheasants, undisturbed <br />nesting cover is essential and should be included in plans for habitat development, <br />especially in areas of intensive agriculture. <br />This soil has good potential for urban and recreational development. Increased population <br />growth in the survey area has resulted in increased homesite construction. The chief <br />limiting soil features for urban <br />development aze the shrink-swell potential of the subsoil as it wets and dries and the <br />limited ability of this soil to support a load. Septic tank absorption fields function properly, <br />but community sewage systems should be provided if the population density increases. <br />Because of the moderately rapid permeability of the substratum, sewage lagoons must be <br />sealed. Lawns, shrubs, and trees grow well. Capability class I irrigated. <br />9-Ascalon Loam, 1-3% slopes <br />This is a deep, well drained soil on terraces at elevations of 4500 to 4900 feet. It formed in <br />alluvium deposited by the major rivers in the survey area. Included in mapping are small <br />areas where sand and gravel are within a depth of 60 inches. Also included are small areas <br />of soils that have a clay loam subsoil. <br />Typically the surface layer of this Ascalon soil is brown loam about 10 inches thick. The <br />subsoil is brown and yellowish brown sandy clay Loam about f 5 inches thick. The <br />substratum to a depth of 60 inches is calcareous sandy loam. <br />Permeability is moderate. Available water capacity is high. The effective rooting depth is <br />60 inches or more. Surface runoff is medium, and the erosion hazard is low. <br />This soil is used almost entirely for irrigated crops. It is suited to all crops commonly <br />grown in the area, including corn, sugar beets, beans, alfalfa, small grain, potatoes, and <br />onions. An example of a suitable cropping system is 3 to 4 years of alfalfa followed by <br />com, com for silage, sugar beets, small grain, or beans. land leveling, ditch lining, and <br />installing pipelines may be needed for proper water application. <br />All methods of irrigation aze suitable, but furrow irrigation is the most common. Barnyard <br />manure and commercial fertilizer are needed for top yields. <br />Windbreaks and environmental plantings of trees and shrubs commonly grown in the area <br />are generally well suited to this soil. Cultivation to control competing vegetation should be <br />continued for as many yeazs as possible following planting. Trees that are best suited and <br />have good survival are Rocky Mountain juniper, eastern red cedaz, ponderosa pine, <br />Siberian elm, Russian-olive, and hackberry. The shrubs best suited are skunkbush sumac, <br />lilac, Siberian peashrub, and American plum. <br />Wildlife is an important use of this soil. The cropland areas provide favorable habitat for <br />ring-necked pheasant and mourning dove. Many nongame species can be attracted by <br />Ft. Luptau Pit <br />OMG 1II Permit <br />Page 38 oj81 <br />