Aridisol

Aridisols (or desert soils) are a soil order in USA soil taxonomy. Aridisols (from the Latin aridus, for `dry”) form in an arid or semi-arid climate. Aridisols dominate the deserts and xeric shrublands, which occupy about one third of the Earth`s land surface. Aridisols have a very low concentration of organic matter, reflecting the paucity o......
Found on http://en.wikipedia.org/wiki/Aridisol

Aridisol

one of the 12 soil orders in the U.S. Soil Taxonomy. Aridisols are dry, desertlike soils that have low organic content and are sparsely vegetated by ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/a/99
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