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Custom Soil Resource Report <br /> San Joaquin County, California <br /> 190—Kingile muck, partially drained, 0 to 2 percent slopes, MLRA 16 <br /> Map Unit Setting <br /> National map unit symbol: 2xlc8 <br /> Elevation: -10 to 10 feet <br /> Mean annual precipitation: 14 to 18 inches <br /> Mean annual air temperature: 61 to 62 degrees F <br /> Frost-free period: 316 to 326 days <br /> Farmland classification: Prime farmland if irrigated <br /> Map Unit Composition <br /> Kingile 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 Kingile <br /> Setting <br /> Landform: Marshes <br /> Landform position (three-dimensional): Dip <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Herbaceous organic material over alluvium derived from igneous, <br /> metamorphic and sedimentary rock <br /> Typical profile <br /> Oap-0 to 12 inches: muck <br /> Oa- 12 to 17 inches: muck <br /> 2C1 - 17 to 25 inches: silty clay <br /> 2C2-25 to 36 inches: silty clay loam <br /> 2C3-36 to 61 inches: silty clay <br /> Properties and qualities <br /> Slope: 0 to 1 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class:Very poorly drained <br /> Runoff class: Low <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately low (0.01 to <br /> 0.14 in/hr) <br /> Depth to water table:About 36 to 48 inches <br /> Frequency of flooding: Rare <br /> Frequency of ponding: None <br /> Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) <br /> Sodium adsorption ratio, maximum: 5.0 <br /> Available water supply, 0 to 60 inches: Moderate (about 7.5 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 3w <br /> Land capability classification (nonirrigated): 4w <br /> Hydrologic Soil Group: C <br /> Ecological site: R016XA001CA-Tidally-Influenced, Freshwater Sites <br /> (PROVISIONAL) <br /> Hydric soil rating: Yes <br /> 13 <br />