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Custom Soil Resource Report <br />San Joaquin County, California <br />Ill—Bruella sandy loam, 0 to 2 percent slopes <br />Map Unit Setting <br />National map unit symbol: hhrb <br />Elevation: 70 to 120 feet <br />Mean annual precipitation: 15 inches <br />Mean annual air temperature: 61 degrees F <br />Frost-free period: 270 days <br />Farmland classification: Prime farmland if irrigated <br />Map Unit Composition <br />Bruella 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 Bruella <br />Setting <br />Landform: Terraces <br />Landform position (two-dimensional): Footslope <br />Landform position (three-dimensional): Tread <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent material: Alluvium derived from granitic rock sources <br />Typical profile <br />A - 0 to 18 inches: sandy loam <br />Bt - 18 to 31 inches: sandy clay loam <br />Bt - 31 to 67 inches: sandy clay loam <br />Properties and qualities <br />Slope: 0 to 2 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 high (0.20 <br />to 0.57 in/hr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 <br />mmhos/cm) <br />Available water storage in profile: High (about 9.0 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 1 <br />Land capability classification (nonirrigated): 4c <br />Hydrologic Soil Group: C <br />Hydric soil rating: No <br />Minor Components <br />Devries <br />Percent of map unit: 3 percent <br />13