Difference between revisions of "Leptosol"

From Wicri Urban Soils
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imported>Jacques Ducloy
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A '''leptosol''' (LP) can be defined through :
 
A '''leptosol''' (LP) can be defined through :
  
* a limit in depth by continuous hard rock within 25 cm from the soil surface
+
* a limit in depth by [[Continuous rock (WRB)|continuous hard rock]] within 25 cm from the soil surface
 
or :
 
or :
 
* overlying material with a calcium carbonate equivalent of more than 40 percent within 25 cm from the soil surface
 
* overlying material with a calcium carbonate equivalent of more than 40 percent within 25 cm from the soil surface
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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 horizon (WRB)|mollic]], [[Orchric horizon (WRB)|ochric]], [[Umbric horizon (WRB)|umbric]], [[Yermic horizon (WRB)|yermic]] or [[Vertic horizon (WRB)|vertic]] horizon
+
* no diagnostic horizons other than a [[Has for diagnostic horizon::Mollic horizon (WRB)|mollic]], [[Has for diagnostic horizon::Ochric horizon (WRB)|ochric]], [[Has for diagnostic horizon::Umbric horizon (WRB)|umbric]], [[Has for diagnostic horizon::Yermic horizon (WRB)|yermic]] or [[Has for diagnostic horizon::Vertic horizon (WRB)|vertic]] horizon
  
 
==Possible qualifiers==
 
==Possible qualifiers==

Latest revision as of 18:24, 28 June 2017

A leptosol (LP) can be defined through :

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

 
Suffix qualifiers
 
 

Source

fr:Leptosol