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C~ <br />MzS =Manzanola silty clay loam, <br />1 to 4 percent slopes <br />setting <br />Landform: Plains <br />Elevation: 5,000 tc 6,500 feet <br />Native plants: Grass <br />Air temperature: 50 to 53 <br />degrees F <br />Annual precipitation: 11 to 14 <br />inches <br />Frost-free period: 125 to 145 <br />days <br />Composition <br />Manzanola soil and similar <br />inclusions: 85 percent <br />Contrasting inclusions: 15 <br />percent <br />Typical Profile <br />Surface layer: <br />0 to 5 inches=silty clay loam <br />Subsoil: <br />5 to 27 inches=silty clay loam <br />Substratum: <br />27 to 40 inches=silty clay <br />4n to a5 inches=silt loam <br />46 to 60 inches=silty clay <br />soil Properties and Qualities <br />Parent material: Loess, residuum <br />Depth class: Very deep <br />Drainage class: Well drained <br />Permeability: Slow <br />Available water capacity: High <br />Potential rooting depth: 60 or <br />more inches <br />Runoff: Medium <br />Hazard of water erosion: Slight <br />to high <br />Hazard of wind erosion: High <br />Carbonates: Throughout the <br />profile <br />Contrasting Inclusions <br />Wilid soils that average less <br />than 35 percent clay in the <br />profile <br />Razor soils that are less than <br />40 inches deep over soft shale <br />loam <br />loam <br />Midway soils that are less than <br />20 inches deep over soft shale <br />Major Current IIses; <br />Rangeland, irrigated cropland <br />Major Management Factors <br />Cropland <br />Soil-related factors: Water <br />erosion, slow permeability, <br />slight salinity <br />Suitability: Good <br />Management considerations: <br />Irrigation water management <br />Land leveling <br />Control water erosion on steeper <br />slopes <br />Aindbreaks <br />Soil-related factors: Water <br />erosion, slow permeability <br />Suitability: Good <br />Management considerations: <br />Supplemental irrigation will be <br />necessary during dry periods <br />Trees suitable are Russian <br />olive, Rocky Mountain juniper <br />Shrubs suitable are Lilac, plum <br />IIrban Development <br />Soil-related factors: Water <br />erosion, high shrink-swell <br />potential, slow permeability <br />Suitability as a site for <br />buildings: Fair <br />Management considerations: <br />Low shrink-swell material should <br />be used for backfill <br />Septic systems will not function <br />properly due to slow <br />permeability <br />Corrosive for steel and concrete <br />Rangeland <br />Suitability: Fair <br />Dominant vegetation in the <br />potential plant community: <br />western wheatgrass, galleta, <br />blue grama <br />