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Language: English
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Creator: Collins, Johnnie B., 1943-
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Electronic Theses & Dissertations
2
Material Type
Theses
2
Copyright Status
In Copyright
2
Subject
Michigan
1
Podzol
1
Soils
1
Soils--Analysis
1
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Characteristics of Spodosols developed on a sandy topo-biosequence in Northern Michigan
Collins, Johnnie B., 1943-
Text (1971)
Part of
Electronic Theses & Dissertations
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
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