5 resultados para clay soil
em University of Michigan
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"In cooperation with Alabama Department of Agriculture and Industries and Alabama Agricultural Experiment Station."
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Bibliography: p. 51-54.
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Mode of access: Internet.
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v. 1. Summarization, fundamental and applied research.--v. 2. Fundamental properties, clay - water systems.--v. 3. Applied research, chrome-lignin process and soil briquetting.
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Cover title.