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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A similar approach was used by the<br />
FAO-UNESCO system (1974), (1988)<br />
World Reference Base for Soil Resources WRB, 1998<br />
and are used <strong>in</strong> most new national systems (Russian,<br />
Check, Ch<strong>in</strong>ese, etc.)
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