Soil is material capable of supporting plant life.
Soil forms through a variety of soil formation processes, and includes weathered rock "parent material" combined with dead and living organic matter and air.Soils can be divided into two general layers: topsoil, the topmost layer, where most plant roots, microorganisms, and other animal life are located, and subsoil, which is deeper and often more dense and contains less organic matter.
For more information about the topic Soil, read the full article at Wikipedia.org, or see the following related articles:
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Soil science Soil science deals with soil as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, ... >
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Soil at Wikipedia.org. See the Wikipedia copyright page for more details.
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