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Soil moisture regime subclass: typic <br />• Soil moisture regime class: ustic <br />Seasonal pattern: slight maximum April through June <br />Mean annual soil temperature: 41 to 45 degrees F. <br />Mean summer soil temperature: 59 to 64 degrees F. <br />Depth to restrictive feature: 2 to 3 inches (4 to 8 centimeters) to natric horizon <br />Depth to diagnostic feature: 7 to 9 inches (18 to 24 centimeters) to gypsum accumulations; 7 to 9 <br />inches (18 to 24 centimeters) to secondary carbonates; 2 to 3 inches (4 to 8 centimeters) to <br />natric horizon <br />Thickness of diagnostic feature: 2 to 3 inch (4 to 8 centimeters) thick ochric epipedon <br />Linear extensibility. 9 to 13.5 <br />Particle -size control section (weighted average): <br />Clay content. 46 percent <br />E horizon(s): <br />Value: 6 to 8 dry; 3 to 6 moist <br />Chroma: 2 or 3 dry or moist <br />Texture: sandy loam, very fine sandy loam, fine sandy loam <br />Clay content. 10 to 20 percent <br />Gypsum content: 0 to 0 percent <br />Reaction: pH 6.6 to 7.8 <br />Organic matter content. 0.0 to 1.5 percent <br />Bt horizon(s): <br />Hue: 10YR, 2.5Y <br />Value: 5 or 6 dry; 4 or 5 moist <br />• Chroma: 2 or 3 dry or moist <br />Texture: clay loam, clay <br />Clay content. 35 to 45 percent <br />Reaction: pH 7.4 to 7.8 <br />Btkyz and Bkyz horizon(s): <br />Hue: 10YR, 2.5Y <br />Value: 5 or 6 dry; 4 or 5 moist <br />Chroma: 2 or 3 dry or moist <br />Texture: silty clay, clay <br />Clay content. 40 to 60 percent <br />Calcium carbonate equivalent. 1 to 6 percent <br />Gypsum content: 1 to 5 percent <br />Electrical conductivity: 10 to 30 mmhos /cm <br />Sodium adsorption ratio: 13 to 30 <br />Reaction: pH 7.9 to 9.0 <br />• <br />