Classification

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Virginia Tech Soil Taxonomy Forum

• Rounding off numbers (PDF; 12 KB)
   
• Buried Soil Horizons, Mantles, and Buried Soils (Dr. John M. Galbraith, Virginia Tech) (PDF; 469 KB)
   
• Guy Smith Interviews
• Rational for concepts in Soil Taxonomy
   
• Clarification of the Definition of Aniso Class
• Soil Survey Technical Note No. 3 (DOC; 239 KB)
   
• English to Metric Conversion Charts
• English to Metric Conversion Chart (PDF; 49 KB)
• English to Metric Conversion Chart (XLS; 188 KB)
   
• Glossary of soil science terms by the Soil Science Society of America, 2001

 
• Reaction (pH) in Soil Taxonomy, Use of
• Soil Survey Technical Note No. 8 (DOC; 274 KB)
   
• Substrata Material Classification Decision Tree
• Example decision tree for assessing presence of densic and paralithic contacts
   
• USDA Soil Texture Calculator
   
• Control Sections (PDF; 181 KB)
   
• Soil Catenas
• Connecticut (PDF; 92 KB)
   
• Soil Parent Materials
• Connecticut (PDF; 1.3 MB)