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Electronic Theses & Dissertations
4
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Theses
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English
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Calcium ions
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Corn
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Crop yields
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Crops--Composition
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Grain
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Hay
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Phosphatic fertilizers
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Plants--Effect of phosphorus on
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Soils
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Superphosphates
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A study of the comparative merits of rock phosphates and superphosphate on a grain crop seeded to a hay mixture on three major soil types of the eastern townships of Quebec, Canada
Finn, Basil Joseph
Text (1955)
Part of
Electronic Theses & Dissertations
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
Solubility of rock phosphates as influenced by calcium ion activity in solution and surface area
Wilson, Michael Alan
Text (1979)
Part of
Electronic Theses & Dissertations
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