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Inceptisols are a soil order in USDA soil taxonomy. They form quickly through alteration of parent material. They are more developed than entisols. They have no accumulation of clays, iron oxide, aluminium oxide or organic matter. They have an ochric or umbric horizon and a cambic subsurface horizon.

Inceptisol profile
Used in USDA soil taxonomy


  • Anthrepts - modified by human habitation and farming
  • Aquepts - with a water table close to the surface
  • Cryepts - in cold climates
  • Udepts - in humid climates
  • Ustepts - in semiarid and sub-humid climates
  • Xerepts - in areas with very dry summers and moist winters