Changing concepts in soil classification. The structure of
Changing concepts in soil classification. The structure of
Changing concepts in soil classification. The structure of
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SET #8<br />
<strong>soil</strong>s <strong>in</strong> the steppe zone<br />
CHERNOZEMS with deep, very dark surface <strong>soil</strong>s and<br />
carbonate enrichment <strong>in</strong> the sub<strong>soil</strong>,<br />
KASTANOZEMS with less deep, brownish surface <strong>soil</strong>s<br />
and carbonate and/or gypsum accumulation at some depth<br />
PHAEOZEMS, the dusky red <strong>soil</strong> s <strong>of</strong> prairie regions with<br />
high base saturation but no visible signs <strong>of</strong> secondary<br />
carbonate accumulation.
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