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Collection: Electronic Theses & Dissertations
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Material Type: Theses
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Subject: Phosphate rock
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Subject: Phosphatic fertilizers
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Language
English
2
Copyright Status
In Copyright
2
Subject
Corn
1
Crop yields
1
Crops--Composition
1
Phosphatic fertilizers
2
Plants--Effect of phosphorus on
1
Superphosphates
1
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Influence of rock phosphate on available phosphorus as measured by plant uptake and soil extractants
Espinosa, José
Text (1979)
Part of
Electronic Theses & Dissertations
The effectiveness of rock phosphate and superphosphate on yield and composition of crops
Guttay, John Robert, 1924-
Text (1959)
Part of
Electronic Theses & Dissertations
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