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Electronic Theses & Dissertations
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Theses
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English
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Black locust
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Corn
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Crop rotation
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Cropping systems
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Crops and nitrogen
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Fertilizers--Research
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Intercropping
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Nitrification
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Nitrogen--Fixation
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Soil mineralogy
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Transformations of ¹⁵N labeled ammonium sulfate and urea fertilizers in soils (with special reference to early immobilization and nitrification processes)
Okereke, Gilbert Uwahamaka
Text (1980)
Part of
Electronic Theses & Dissertations
Interaction effects of soil nitrogen levels and intercropped maize (Zea mays) on nitrogen fixation in and transfer from Black locust (Robinia pseudoacacia)
Powers, Michael Patrick
Text (1995)
Part of
Electronic Theses & Dissertations
Managing cropping systems to enhance the active soil nitrogen pool and control its mineralization
Sanchez, Jose E.
Text (2000)
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Electronic Theses & Dissertations
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