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Custom Soil Resource Report <br /> San Joaquin County, California <br /> 256—Tokay fine sandy loam, 0 to 2 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: hhx0 <br /> Elevation: 10 to 120 feet <br /> Mean annual precipitation: 15 inches <br /> Mean annual air temperature: 61 degrees F <br /> Frost-free period: 260 days <br /> Farmland classification: Prime farmland if irrigated <br /> Map Unit Composition <br /> Tokay 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 Tokay <br /> Setting <br /> Landform: Fan skirts <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 19 inches: fine sandy loam <br /> Bt- 19 to 45 inches: fine sandy loam <br /> C-45 to 60 inches: sandy 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: Very low <br /> Capacity of the most limiting layer to transmit water(Ksat): High (1.98 to 5.95 <br /> 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: Moderate (about 7.8 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 1 <br /> Land capability classification(nonirrigated): 4c <br /> Hydrologic Soil Group: A <br /> Hydric soil rating: No <br /> Minor Components <br /> Devries <br /> Percent of map unit: 4 percent <br /> 13 <br />