
A phaeozem in the FAO World Reference Base for Soil Resources is a dark soil with a high base status, but without a calcareous soil horizon within one metre of the soil surface. Phaeozems correlate with the udolls and aquolls (mollisols) of the USDA soil taxonomy. These soils are found mainly in humid and sub-humid tall-grass steppes; there are ex...
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http://en.wikipedia.org/wiki/Phaeozem

one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Phaeozems are characterized by a humus-rich ...
Found on
http://www.britannica.com/eb/a-z/p/53
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