Everything about Aridisols totally explained
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.
Water deficiency is the major defining characteristic of Aridisols. Also required is sufficient age to exhibit sub-soil weathering and development. Imperfect leaching in Aridisols often results in one or more subsurface soil horizons in which suspended or dissolved minerals have been deposited: silicate clays, sodium, calcium carbonate, gypsum or soluble salts. These subsoil horizons can also be cemented by carbonates, gypsum or silica. Accumulation of salts on the surface can result in salinization.
Suborders
» Argids (
clay)
Calcids (
carbonate)
» Cambids (tropical)
Cryrids (cold)
» Durids (duripan)
Gypsids (
gypsum)
» Salids (salts)
Further Information
Get more info on 'Aridisols'.
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