Ferralsol

From Wicri Urban Soils
Revision as of 16:32, 12 October 2009 by imported>Thierry Daunois

A ferralsol (FR) can be defined through :

  • a ferralic horizon at some depth between 25 and 200 cm from the soil surface

and :

  • no nitic horizon within 100 cm from the soil surface

and :

  • no layer fulfilling the requirements of an argic horizon and which would have in the upper 30 cm, 10 percent or more water-dispersible clay (unless the soil material has geric properties or more than 1.4 percent organic carbon)

Possible qualifiers

For each RSG, there are some possible prefix and suffix qualifiers :

Prefix qualifiers

  
Suffix qualifiers
 
 

Source

fr:Ferralsol

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