Vertic properties (WRB)
From Wicri Urban Soils
Vertic properties is one of the diagnostic properties used, in the WRB system, to discriminate some soils from others.
Description
The term "Vertic properties" (from Latin vertere, to turn) refers to...
Criteria
Soil material with vertic properties has one or both of the following :
- 30 percent or more clay throughout a thickness of 15 cm or more and one or both of the following :
- slickensides or wedge-shaped aggregates
- cracks that open and close periodically and are 1 cm or more wide
or :
- a COLE of 0.06 or more averaged over depth of 100 cm from the soil surface
RSG in which vertic properties can be observed
See also
- The FAO reference text, (2007 version)
