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...