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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Guy Smiths<br />
‘‘<strong>The</strong> processes that go on can rarely be observed or measured. Nevertheless, the<br />
genesis <strong>of</strong> <strong>soil</strong>s is extremely important both to the taxonomy <strong>of</strong> <strong>soil</strong>s and to the mapp<strong>in</strong>g<br />
<strong>in</strong> the field. Genesis is important to the <strong>classification</strong> partly because it produces the<br />
observable or measureable differences that can be used as differentiae. Genesis does<br />
not appear <strong>in</strong> the def<strong>in</strong>itions <strong>of</strong> the taxa but lies beh<strong>in</strong>d them.’’