Laboratory data are critical to the understanding of the properties and genesis of a single pedon, as well as to the understanding of fundamental soil relationships based on many observations of a large number of soils. Development of both an analytical database and the soil relationships based on those data are the cumulative effort of generations of soil scientists at the Soil Survey Laboratory (SSL). The purpose of the Soil Survey Investigations Report (SSIR) No. 42, Soil Survey Laboratory Methods Manual is to document methodology and to serve as a reference for the laboratory analyst. It...
Laboratory data are critical to the understanding of the properties and genesis of a single pedon, as well as to the understanding of fundamental soil...
United States Dept of Agriculture Natural Resources Conservation Service
The National Forestry Handbook (NFH) contains methodology, procedures, and related reference materials that assist NRCS personnel to implement the policies contained in the National Forestry Manual (NFM) relative to forestry and agroforestry technologies. All references to the Soil Conservation Service or SCS by Public Laws, Memoranda or other documents stated herein have been changed to the Natural Resources Conservation Service or NRCS, respectively. All policies and responsibilities relating to forestry previously assigned to the Soil Conservation Service are carried forward in full to the...
The National Forestry Handbook (NFH) contains methodology, procedures, and related reference materials that assist NRCS personnel to implement the pol...
