Difference between revisions of "Ferralic (WRB qualifier)"
From Wicri Urban Soils
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As a qualifier, '''ferralic''' refers to... | As a qualifier, '''ferralic''' refers to... | ||
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| + | ==Details== | ||
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| + | * [[Hyperferralic (WRB qualifier class II)|Hyperferralic]] (flh): having ferralic properties and a CEC<sup>55</sup> (by 1 ''M'' NH<sub>4</sub>OAc) of less than 16 cmol<sub>c</sub> kg<sup>-1</sup> clay in at least some layer starting within 100 cm of the soil surface. | ||
| + | * [[Hypoferralic (WRB qualifier class II)|Hypoferralic]] (flw): having in a layer, 30 cm or more thick, starting within 100 cm of the soil surface a CEC (by 1 ''M'' NH<sub>4</sub>OAc) of less than 4 cmol<sub>c</sub> kg<sup>-1</sup> fine earth and a Munsell chroma, moist, of 5 or more or a hue redder than 10 YR (in Arenosols only). | ||
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| + | ==Uses of the ferralic qualifier== | ||
It can be used as a prefix qualifier for : | It can be used as a prefix qualifier for : | ||
Revision as of 10:47, 15 October 2009
As a qualifier, ferralic refers to...
Details
- Hyperferralic (flh): having ferralic properties and a CEC55 (by 1 M NH4OAc) of less than 16 cmolc kg-1 clay in at least some layer starting within 100 cm of the soil surface.
- Hypoferralic (flw): having in a layer, 30 cm or more thick, starting within 100 cm of the soil surface a CEC (by 1 M NH4OAc) of less than 4 cmolc kg-1 fine earth and a Munsell chroma, moist, of 5 or more or a hue redder than 10 YR (in Arenosols only).
Uses of the ferralic qualifier
It can be used as a prefix qualifier for :
It can be used as a suffix qualifier for :
