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58 <br />Flooding: None <br />Available water capacity. Mainly 7.1 inches <br />Typical profile: <br />Ap-0 to 6 inches; sandy loam <br />BA-6 to 9 inches; sandy loam <br />Bt1-9 to 22 inches; sandy loam <br />Bt2-22 to 40 inches; sandy loam <br />Bk-40 to 60 inches; sandy loam <br />Additional components: <br />Ascalon and similar soils: 5 percent <br />Haxtun and similar soils: 5 percent <br />Otero and similar soils: 5 percent <br />Management <br />Major uses: Nonirrigated cropland, irrigated <br />cropland, and rangeland <br />The main limitations affecting nonirrigated and <br />irrigated crops are droughtiness and the hazards of <br />soil blowing and water erosion. Because the amount of <br />precipitation is not sufficient for annual cropping, the <br />best cropping system for nonirrigated crops is one that <br />includes small grain and summer fallow. Tillage should <br />be minimized. Maintaining crop residue on or near the <br />surface helps to control runoff and soil blowing and <br />helps to maintain tilth and the content of organic <br />matter. Adjusting applications of irrigation water to the <br />available water capacity, the water intake rate, and the <br />needs of the crop helps to prevent overirrigating and <br />the leaching of plant nutrients. The Otero soil on <br />summits may be subject to lime-induced chlorosis. <br />Controlled livestock management is the major <br />management practice needed on this map unit. Brush <br />management may be a suitable management practice <br />if the relative composition of sand sagebrush <br />becomes the limiting factor for forage production on <br />the site. <br />The main limitation affecting windbreaks and <br />environmental plantings are droughtiness and the <br />hazard of soil blowing. Cultivating only in the tree <br />rows and leaving a strip of vegetation between the <br />rows can reduce the hazard of soil blowing. Fabricated <br />mulches protect the soil by reducing the acreage of <br />land that is cultivated. Planting the trees on the <br />contour helps to conserve moisture. Chemical fallow, <br />fabric mulch for weed control, and selection of <br />adapted plants help to ensure the establishment and <br />survival of seedlings. <br />47-Manter sandy loam, 5 to 9 percent <br />slopes <br />Setting <br />Location: This map unit occurs north of Vona, Stratton, <br />Bethune, and Burlington. <br />Soil Survey of <br />Elevation: 3,901 to 4,600 feet <br />Mean annual precipitation: 15 to 17 inches <br />Frost-free period. 148 to 152 days <br />Note: This very deep, well drained soil is on <br />moderately sloping hills. It formed in eolian <br />material. The native vegetation is mainly grasses. <br />Sagebrush and yucca are common. <br />Component Description <br />Manter and similar soils <br />Percent of the map unit: 85 percent <br />Landform: Hills <br />Slope range: 5 to 9 percent <br />Surface layer texture: Sandy loam <br />Depth to restrictive feature: More than 60 inches <br />Drainage class: Well drained <br />Parent material. Coarse-loamy eolian deposits <br />Native plant cover type: Rangeland <br />Flooding: None <br />Available water capacity. Mainly 7.1 inches <br />Typical profile: <br />Ap-0 to 6 inches; sandy loam <br />BA-6 to 9 inches; sandy loam <br />Bt1-9 to 22 inches; sandy loam <br />Bt2-22 to 40 inches; sandy loam <br />Bk-40 to 60 inches; sandy loam <br />Additional components: <br />Ascalon and similar soils: 5 percent <br />Julesburg and similar soils: 5 percent <br />Wages and similar soils: 5 percent <br />Management <br />Major uses: Nonirrigated cropland and rangeland <br />The main limitations affecting nonirrigated and <br />irrigated crops are droughtiness, the slope, and the <br />hazards of soil blowing and water erosion. Because <br />the amount of precipitation is not sufficient for annual <br />cropping, the best cropping system for nonirrigated <br />crops is one that includes small grain and summer <br />fallow. Tillage should be minimized. Maintaining crop <br />residue on or near the surface can help to control <br />runoff and soil blowing and helps to maintain tilth and <br />the content of organic matter. Adjusting applications of <br />irrigation water to the available water capacity, the <br />water intake rate, and the needs of the crop helps to <br />prevent overirrigating and the leaching of plant <br />nutrients. <br />Controlled livestock management is the major <br />management practice needed on this map unit. Brush <br />management may be a suitable management practice <br />if the relative composition of sand sagebrush <br />becomes the limiting factor for forage production on <br />the site. <br />The main limitations affecting windbreaks and