Scientists classify soil based on factors such as mineral content, texture, drainage capacity, and fertility. Globally, the 7 most common types of soil form the basis of farming and ecosystem balance: ...

Philosophies of soil classifications : from is to does / S.W. Buol -- How good is our soil classification? / R. Dudal -- Soil classification : past and present / Robert J. Ahrens, Thomas J. Rice, Jr., ...

The Keys to Soil Taxonomy, 13th edition, has been posted to USDA’s Natural Resources Conservation Service website. The Keys to Soil Taxonomy provides the taxonomic keys necessary for the ...

Saltwater intrusion from sea level rise and tidal flooding is increasing soil salinity risks in coastal farm fields (Figure 1). Soil salinity is related to the presence of soluble salts and cations ...

A researcher has developed a technique that uses digital imaging of soil samples to take some of the guesswork out of wetland identification. A University of Missouri doctoral student has developed a ...