Evaluation of potassium soil tests and methods for mapping soil fertility properties in Iowa corn and soybean fields
Tesis para obtener el grado de Philosophical Doctor (PhD), Major: Soil Science, de la Iowa State University, en 2006
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| Format: | info:ar-repo/semantics/tesis doctoral |
| Language: | Inglés |
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Iowa State University
2020
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| Online Access: | http://hdl.handle.net/20.500.12123/6952 https://lib.dr.iastate.edu/rtd/1797/ https://doi.org/10.31274/rtd-180813-15419 |
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