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Subject: Fertilizers
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Electronic Theses & Dissertations
4
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Theses
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English
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In Copyright
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Corn
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Crop yields
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Field crops
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Humus
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Ions
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Plants--Nutrition
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Plants--Nutrition--Analysis
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A study of some relationships among the results of soil and tissue tests, fertilizer treatments, and yields of several crops grown on organic soil
Shickluna, John C., 1923-
Text (1961)
Part of
Electronic Theses & Dissertations
The effect of soil treatment on the accumulation of ions by several crops
Pretty, Kenneth McAlpine, 1929-
Text (1958)
Part of
Electronic Theses & Dissertations
Biological methods for determining fertilizer requirements of crops
Heeney, Harold Blair
Text (1951)
Part of
Electronic Theses & Dissertations
Correlation studies with corn using seasonal soil and tissue tests
Singh, Hari Mohan
Text (1961)
Part of
Electronic Theses & Dissertations
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