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Program of Study: Crop and Soil Sciences
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Subject: Phosphatic fertilizers
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Subject: Soils--Phosphorus content
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Electronic Theses & Dissertations
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Material Type
Theses
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English
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Subject
Phosphates
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Soils--Phosphorus content
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Effectiveness of phosphate rocks in Colombian soils as measured by crop response and soil phosphorus levels
Hammond, Lawrence Leroy, 1945-
Text (1977)
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