This field guide is useful for making or reading soil and site descriptions. The major sections address soil profile description, geomorphology, geology, soil taxonomy, soil map symbols, and field sampling strategies....

The National Soil Survey Center (NSSC), as part of the Natural Resource Conservation Service, maintains the Soil Survey Laboratory Soil Characterization Database. The application allows users to generate, print and...

Soil is essential for life on Earth. It is needed for food, air, clothing and so much more. Discussion topics include the terms 'soil', 'dirt', and 'sediment', factors affecting the formation of soils, soil horizons, and...