Difference between revisions of "Leptosol"
From Wicri Urban Soils
imported>Thierry Daunois |
imported>Thierry Daunois |
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* less than 10 percent (by weight) fine earth to a depth of 75 cm or more from the soil surface | * less than 10 percent (by weight) fine earth to a depth of 75 cm or more from the soil surface | ||
and : | and : | ||
− | * no diagnostic horizons other than a mollic, ochric, umbric, yermic or vertic horizon | + | * no diagnostic horizons other than a [[Mollic horizon (WRB)|mollic]], [[Orchric horizon (WRB)|ochric]], [[Umbric horizon (WRB)|umbric]], [[Yermic horizon (WRB)|yermic]] or [[Vertic horizon (WRB)|vertic]] horizon |
==Possible qualifiers== | ==Possible qualifiers== |
Revision as of 16:02, 20 October 2009
A leptosol (LP) can be defined through :
- a limit in depth by continuous hard rock within 25 cm from the soil surface
or :
- overlying material with a calcium carbonate equivalent of more than 40 percent within 25 cm from the soil surface
or :
- less than 10 percent (by weight) fine earth to a depth of 75 cm or more from the soil surface
and :
Possible qualifiers
For each RSG, there are some possible prefix and suffix qualifiers :
Prefix qualifiers |
| |
Source
- The FAO website