Difference between revisions of "Ferralsol"

From Wicri Urban Soils
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(Created page with '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 so...')
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Revision as of 14:21, 7 October 2009

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)

Source

fr:Ferralsol