Orange County NC Website
Custom Soil Resource Report <br />Lg-Lignum silt loam, 0 to 3 percent slopes <br />Map Unit Setting <br />Elevation: 200 to 1,400 feet <br />Mean annual precipitation: 37 to 60 inches <br />Mean annual air temperature: 59 to 66 degrees F <br />Frost-free period: 200 to 240 days <br />Map Unit Composition <br />Lignum and similar soils: 85 percent <br />Minor components: 2 percent <br />Description of Lignum <br />Setting <br />Landform: Interfluves <br />Landform position (fwo-dimensional): Summit <br />Landform position (three-dimensional): Interfluve <br />Down-slope shape: Convex <br />Across-slope shape: Linear <br />Parent maferial: Residuum weathered from metavolcanics and/or residuum <br />weathered from argillite . <br />Properties and qualities <br />Slope: 0 to 3 percent <br />Depth to restrictive feature: 40 to 60 inches to paralithic bedrock <br />Drainage class: Moderately well drained <br />Capacity of fhe most limiting layer to Transmit wafer (Ksat): Very low to moderately <br />low (0.00 to 0.06 in/hr) <br />Depth to water fable: About 12 to 30 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Available water capacity: Moderate (about 8.2 inches) <br />Interpretive groups <br />Land capability (nonirrigated): 2w <br />Typical profile <br />0 to 2 inches: Silt loam <br />2 to 12 inches: Silt loam <br />12 to 39 inches: Silty clay <br />39 to 56 inches: Silt loam <br />56 to 80 inches: Weathered bedrock <br />Minor Components <br />Wehadkee, undrained <br />Percent of map unif: 2 percent <br />Landform: Depressions on flood plains <br />Down-slope shape: Concave <br />Across-slope shape: Linear <br />15 <br />