Orthic Regosol (O.R)

Common horizon sequence: C

These soils have the properties specified for the Regosolic order and the Regosol great group. They are identified by the following properties:

  1. If they have an A horizon, it is less than 10 cm thick.
  2. The B horizon is less than 5 cm thick or absent.
  3. They have a small amount of organic matter in the control section, which is indicated by a uniform color so that the color value difference between layers is less than one Munsell unit.
  4. They are well drained and lack any evidence of gleying within the upper 50 cm.

Note: Diagnostic horizons are underlined.

List all known examples

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