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22 SOIL SURVEY The substratum to a depth of 60 inches is loamy sand and This soil is used almost entirely for irrigated crops. It sand. is suited to all crops commonly grown in the area, includ- Permeability is rapid. Available water capacity is ing corn, sugar beets, beans, alfalfa, small grain, potatoes, moderate. The effective rooting depth is 60 inches or and onions. An example of a suitable cropping system is 3 more. Surface runoff is slow, and the erosion hazard is to 4 years of alfalfa followed by corn, corn for silage, low. sugar beets, small grain, or beans. Land leveling, ditch This soil is used almost entirely for irrigated crops. It lining, and installing pipelines may be needed for proper is suited to all crops commmonly grown in the area, in- water application. eluding corn, sugar beets, beans, alfalfa, small grain, All methods of irrigation are suitable, but furrow ir- potatoes, and onions. An example of a suitable cropping rigation is the most common. Barnyard manure and corn- system is 3 to 4 years of alfalfa followed by corn, corn for mercial fertilizer are needed for top yields. silage, sugar beets, small grain, or beans. Generally, such Windbreaks and environmental plantings are generally characteristics as the rapidly permeable substratum suited to this soil. Soil blowing, the principal hazard in slightly restrict some crops. establishing trees and shrubs, can be controlled by cul- All methods of irrigation are suitable, but furrow ir- tivating only in the tree row and by leaving a strip of rig.tion is the most common. Proper irrigation water vegetation between the rows. Supplemental irrigation management is essential. Barnyard manure and commer- may be needed at the time of planting and during dry cial fertilizer are needed for top yields. periods. Trees that are best suited and have good survival Windbreaks and environmental plantings are generally are Rocky Mountain juniper, eastern redcedar, ponderosa suited to this soil. Soil blowing, the principal hazard in pine, Siberian elm, Russian-olive, and hackberry. The establishing trees and shrubs, can be controlled by cul- shrubs best suited are skunkbush sumac, lilac, and Siberi- tivating only in the tree row and by leaving a strip of an peashrub, vegetation between the rows. Supplemental irrigation Wildlife is an important secondary use of this soil. The may by needed at the time of planting and during dry cropland areas provide favorable habitat for ring-necked periods. Trees that are best suited and have good survival pheasant and mourning dove. Many nongame species can :ur Rocky Mountain juniper, eastern redcedar, ponderosa be attracted by establishing areas for nesting and escape pine. Siberian elm, Russian-olive, and hackberry. The cover. For pheasants, undisturbed nesting cover is essen- shrubs best suited are skunkbush sumac, lilac, and Siberi- tial and should be included in plans for habitat develop- ment, especially in areas of intensive agriculture. an peashrub. This soil has good potential for urban and recreational Wildlife is an important secondary use of this soil. The development. Lawns, shrubs, and trees grow well. The cropland areas provide favorable habitat for ring-necked only limiting feature of this soil is the rapid permeability pheasant and mourning dove. Many nongame species can in the substratum, which causes a hazard of ground water be attracted by establishing areas for nesting and escape contamination from sewage lagoons. Capability subclass cover. For pheasants, undisturbed nesting cover is essen- Ile irrigated. tial and should be included in plans for habitat develop- _ tm loam, 0 to 1 percent slopes. ment, especially in areas of intensive agriculture. pes. This is a deep, well draine so on smooth p atns an alluvial fans at This soil has good potential for urban and recreational elevations of 4,900 to 5,250 feet. It formed in mixed eolian development. Lawns, shrubs, and trees grow well. The deposits and parent sediment from a wide variety of only limiting feature of this soil is the rapid permeability bedrock. Included in mapping are small areas of soils that in the substratum, which causes a hazard of ground water have loamy sand underlying material. conuunination from sewage lagoons. Capability subclass Typically the surface layer is brown and pale brown Its irrigated. about 12 inches thick. The upper 30 inches of the underly- 30—Julesburg sandy loam, 1 to 3 percent slopes. This ing material is pale brown loam. The lower part to a is a deep, well drained soil on terraces at elevations of depth of 60 inches is pale brown fine sandy loam. 4.700 to 4.300 feet. It formed in alluvium deposited by the Permeability is moderate. Available water capacity is south Platte River. Included in mapping are some leveled high. The effective rooting depth is 60 inches or more. areas and small areas of soils that have a loamy sub- Surface runoff is slow, and the erosion hazard is low. stratum. This soil is used almost entirely for irrigated crops. It Typically the surface layer of this Julesburg soil is is suited to all crops commonly grown in the area, includ- brown sandy loam about 12 inches thick. The subsoil is ing corn, sugar beets, beans, alfalfa, small grain, potatoes, brown and pale brown sandy loam about 15 inches thick. and onions. An example of a suitable cropping system is 3 The substratum to a depth of 60 inches is loamy sand and to 4 years of alfalfa followed by corn, corn for silage, sand. sugar beets, small grain, or beans. Very few conservation Permeability is rapid. Available water capacity is practices are needed to maintain top yields. moderate. The effective rooting depth is 60 inches or All methods of irrigation are suitable, but furrow ir- more. Surface runoff is slow, and the erosion hazard is rigation is the most common. Barnyard manure and com- low. mercial fertilizer are needed for top yields.