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., ...

Perspective -- Geologic time : The quaternary period ; Archeology ; Estimating geologic time ; Early estimates of geologic time -- Weathering and erosion : Structure of the rocks ; Structure in ...

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: ...

THE growth of interest in soil surveys of recent years and the impetus given to the natural study of soil by the work of the Russian pedologists have led to considerable discussion directed towards ...

A series of land classification studies completed over 50 years ago — based on data organized before Hawai‘i became a state in 1959, including surveys from the 1930s — continue to influence the use of ...