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Custom Soil Resource Report <br /> Mean annual air temperature: 46 to 50 degrees F <br /> Frost-free period: 135 to 160 days <br /> Farmland classification: Prime farmland if irrigated <br /> Map Unit Composition <br /> Platner and similar soils: 85 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Platner <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: Mixed eolian deposits over tertiary aged alluvium derived from <br /> igneous, metamorphic and sedimentary rock <br /> Typical profile <br /> Ap-0 to 6 inches: loam <br /> Bt1 -6 to 11 inches: clay <br /> Bt2- 11 to 20 inches: clay <br /> Bk1 -20 to 27 inches: loam <br /> Bk2-27 to 37 inches: sandy clay loam <br /> C-37 to 80 inches: sandy clay loam <br /> Properties and qualities <br /> Slope. 0 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: 15 percent <br /> Salinity, maximum in profile: Nonsaline (0.0 to 1.0 mmhos/cm) <br /> Available water storage in profile: Moderate (about 8.1 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 3s <br /> Land capability classification (nonirrigated): 4s <br /> Hydrologic Soil Group: C <br /> Ecological site: Loamy plains (R067BY002CO) <br /> Minor Components <br /> Ascalon <br /> Percent of map unit: 10 percent <br /> Landform: Interfluves <br /> Landform position (two-dimensional): Summit, shoulder <br /> Landform position (three-dimensional): Interfluve <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> 20 <br />