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Soil Technical Notes

Specific technical subjects for soil scientists.

Soil Survey Technical Notes

  • Technical Note 12 – Coastal and Subaqueous Soil Interpretations
  • Technical Note 11 – Acid Sulfate Soils in the Coastal and Subaqueous Environment
  • Technical Note 10 – Buried Soils and Their Effect on Taxonomic Classification
  • Technical Note 9 – Populating Taxonomic Moisture Class and Subclass in NASIS
  • Technical Note 8 – Use of Reaction (pH) in Soil Taxonomy
  • Technical Note 7 – Soil Moisture/Soil Temperature (SM/ST) Pilot Project Final Report
  • Technical Note 6 – Saturated Hydraulic Conductivity: Water Movement Concepts and Class History
  • Technical Note 5 – Assessing Carbonates in the Field with a Dilute Hydrochloric Acid (HCl) Solution
  • Technical Note 4 – Populating Map Unit Data: Taxonomic classes and map unit components
  • Technical Note 3 – Clarification of the Definition of Aniso Class
  • Technical Note 2 – Soil Color Contrast
  • Technical Note 1 – Soil Moisture Status in the National Soil Information System

Hydric Soils Technical Notes (link to Box)

  • Technical Note 13 – Altered Hydric Soils
  • Technical Note 12 – More changes to "Field Indicators of Hydric Soils in the United States" (Version 4.0, March 1998)
  • Technical Note 11 – Technical Standards for Hydric Soils (published April 2021)
  • Technical Note 10 – More changes to "Field Indicators of Hydric Soils in the United States" (Version 4.0, March 1998)
  • Technical Note 9 – Additional changes to "Field Indicators of Hydric Soils in the United States" (Version 4.0, March 1998)
  • Technical Note 8 – Use of alpha-alpha-Dipyridyl
  • Technical Note 7 – Changes to "Field Indicators of Hydric Soils in the United States" (Version 4.0, March 1998)
  • Technical Note 6 – Field Indicators for Discharge and Recharge Hydric Soils
  • Technical Note 5 – Using Hydric Soil Indicators in Disturbed Soils (updated 4/05)
  • Technical Note 4 – Indicator Insights for Hydric Soil Identification
  • Technical Note 3 – Protocol for Requesting NTCHS Changes to "Field Indicators of Hydric Soils in the United States"
  • Technical Note 2 – Changes to "Field Indicators of Hydric Soils in the United States" (Version 3.2, July 1996)
  • Technical Note 1 – Proper use of Hydric Soil Terminology