Agriculture Reference
In-Depth Information
change, but they garner public support for soil science. There is mutual dependence. Technical
classiÝcations rely on the existence of sound identiÝcation of soil properties provided by a scientiÝc
system. The scientiÝc system relies on the technical system to garner Ýnancial support and political
conÝdence in the value of soil science expertise. Without a philosophy that encompasses both
scientiÝc wholeness of what soil is and temporal response to technological and political needs by
identifying what soil does, soil classiÝcation is incomplete.
REFERENCES
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Mill, J.S. 1891.
Entwicklungslehre des Bodens
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Soil Survey Staff. 1951. Soil Survey Manual. USDA, Agr. Res. Adm. Agric. Handbook No. 18, U.S. Govern-
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Soil Survey Staff. 1960. Soil ClassiÝcation: A Comprehensive SystemÐ7
A System of Logic
th
Approximation. USDA-SCS, p.
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Soil Survey Staff. 1999. Soil Taxonomy: A Basic System of Soil ClassiÝcation for Making and Interpreting
Soil Surveys (2
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Whitney, M. 1905. The Work of the Bureau of Soils. USDA, Bur. of Soils. Circular No. 13, p.15.
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