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Custom Soil Resource Report <br /> Yuma County, Colorado <br /> 3—Ascalon sandy loam, sandy substratum, 3 to 5 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: 2tlnv <br /> Elevation: 3,580 to 4,460 feet <br /> Mean annual precipitation: 15 to 20 inches <br /> Mean annual air temperature: 46 to 52 degrees F <br /> Frost-free period: 135 to 160 days <br /> Farmland classification: Farmland of statewide importance <br /> Map Unit Composition <br /> Ascalon, sandy substratum, and similar soils: 90 percent <br /> Minor components: 10 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Ascalon, Sandy Substratum <br /> Setting <br /> Landform: Interfluves <br /> Landform position (two-dimensional): Summit <br /> Landform position (three-dimensional): Interfluve <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Wind-reworked alluvium and/or calcareous sandy eolian deposits <br /> Typical profile <br /> Ap-0 to 6 inches: sandy loam <br /> Bt1 -6 to 12 inches: sandy clay loam <br /> Bt2- 12 to 19 inches: sandy clay loam <br /> Bk- 19 to 37 inches: very fine sandy loam <br /> C-37 to 80 inches: fine sand <br /> Properties and qualities <br /> Slope: 3 to 5 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Runoff class: Low <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high to <br /> high (0.60 to 6.00 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum in profile: 10 percent <br /> Salinity, maximum in profile: Nonsaline (0.1 to 1.9 mmhos/cm) <br /> Available water storage in profile: Moderate(about 6.5 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 4e <br /> Land capability classification (nonirrigated): 4s <br /> Hydrologic Soil Group: B <br /> Ecological site: Sandy(North) Draft(April 2010)(PE 16-20) (R072XA022KS), <br /> Sandy Plains(R067BY024CO) <br /> Hydric soil rating: No <br /> 10 <br />