2009-01-22_PERMIT FILE - M2009010

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Kit Carson County, Colorado environmental plantings are droughtiness and the severe hazard of soil blowing. Cultivating only in the tree rows and leaving a strip of vegetation between the rows can reduce the hazard of soil blowing. Fabricated mulches protect the soil by reducing the acreage of land that is cultivated. Planting the trees on the contour helps to conserve moisture. Chemical fallow, fabric mulch for weed control, and selection of adapted plants help to ensure the establishment and survival of seedlings. 45-Manter sandy loam, 1 to 3 percent slopes Setting Location: This map unit occurs dominantly north of Stratton and Bethune. Elevation: 3,901 to 4,600 feet Mean annual precipitation: 15 to 17 inches Frost-free period. 148 to 152 days Note: This very deep, well drained soil is on nearly level and gently sloping plains. It formed in eolian material. The native vegetation is mainly grasses. Sagebrush is common. Component Description Manter and similar soils Percent of the map unit. 85 percent Landform: Plains Slope range: 1 to 3 percent Surface layer texture: Sandy loam Depth to restrictive feature: More than 60 inches Drainage class: Well drained Parent material. Coarse-loamy eolian deposits Native plant cover type: Rangeland Flooding: None Available water capacity: Mainly 7.1 inches Typical profile: Ap-0 to 6 inches; sandy loam BA-6 to 9 inches; sandy loam Bt1-9 to 22 inches; sandy loam Bt2-22 to 40 inches; sandy loam Bk-40 to 60 inches; sandy loam Additional components: Ascalon and similar soils: 5 percent Haxtun and similar soils: 5 percent Pleasant and similar soils: 4 percent Lodgepole and similar soils: 1 percent Management Major uses: Nonirrigated cropland, irrigated cropland, and rangeland The main limitations affecting nonirrigated crops 57 are droughtiness and the hazard of soil blowing. Because the amount of precipitation is not sufficient for annual cropping, the best cropping system is one that includes small grain and summer fallow. Tillage should be minimized. Maintaining crop residue on or near the surface can help to control runoff and soil blowing and helps to maintain tilth and the content of organic matter. Planting crops in alternating strips at right angles to the prevailing wind can help to control soil blowing. Adjusting applications of irrigation water to the available water capacity, the water intake rate, . and the needs of the crop helps to prevent overirrigating and the leaching of plant nutrients. Controlled livestock management is the major management practice needed on this map unit. Brush management may be a suitable management practice if the relative composition of sand sagebrush becomes the limiting factor for forage production on the site. The main limitations affecting windbreaks and environmental plantings are droughtiness and the hazard of soil blowing. Cultivating only in the tree rows and leaving a strip of vegetation between the rows can reduce the hazard of soil blowing. Fabricated mulches protect the soil by reducing the acreage of land that is cultivated. Chemical fallow, fabric mulch for weed control, and selection of adapted plants help to ensure the establishment and survival of seedlings. 46 Manter sandy loam, 3 to 5 percent slopes Setting Location: This map unit occurs dominantly in the northern part of the survey area. Elevation: 3,901 to 4,600 feet Mean annual precipitation: 15 to 17 inches Frost-free period. 148 to 152 days Note: This very deep, well drained soil is on gently sloping plains. It formed in eolian material. The native vegetation is mainly grasses. Sagebrush and yucca are common. Component Description Manter and similar soils Percent of the map unit: 85 percent Landform: Plains Slope range: 3 to 5 percent Surface layer texture: Sandy loam Depth to restrictive feature: More than 60 inches Drainage class: Well drained Parent material. Coarse-loamy eolian deposits Native plant cover type: Rangeland