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Author: Collins, Johnnie B., 1943-
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Electronic Theses & Dissertations
2
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Theses
2
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English
2
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In Copyright
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Subject
Michigan
1
Podzol
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Soils
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Soils--Analysis
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Seasonal variability of pH and lime requirement in several southern Michigan soils when measured in different ways
Collins, Johnnie B., 1943-
Text (1967)
Part of
Electronic Theses & Dissertations
Characteristics of Spodosols developed on a sandy topo-biosequence in Northern Michigan
Collins, Johnnie B., 1943-
Text (1971)
Part of
Electronic Theses & Dissertations
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