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Custom Soil Resource Report <br /> WmB—Weld loam, 1 to 3 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: 2xOhw <br /> Elevation: 3,600 to 5,750 feet <br /> Mean annual precipitation: 12 to 17 inches <br /> Mean annual air temperature: 46 to 54 degrees F <br /> Frost-free period: 115 to 155 days <br /> Farmland classification: Prime farmland if irrigated <br /> Map Unit Composition <br /> Weld and similar soils: 80 percent <br /> Minor components: 20 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Weld <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: Calcareous loess <br /> Typical profile <br /> Ap-0 to 8 inches: loam <br /> Bt1 -8 to 12 inches: clay <br /> Bt2- 12 to 15 inches: clay loam <br /> Btk- 15 to 28 inches: loam <br /> Bk-28 to 60 inches: silt loam <br /> C- 60 to 80 inches: silt loam <br /> Properties and qualities <br /> Slope: 1 to 3 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Runoff class: Medium <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately low to <br /> moderately high (0.06 to 0.20 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: 14 percent <br /> Salinity, maximum in profile: Nonsaline to very slightly saline (0.1 to 2.0 <br /> mmhos/cm) <br /> Sodium adsorption ratio, maximum in profile: 5.0 <br /> Available water storage in profile: High (about 11.3 inches) <br /> 34 <br />