The nitrogen nutrition of maize on dryland soils of the central Orange Free State
1. Central Orange Free State soils vary considerably in the nitrogen supply to dryland maize. In some localities the soil supplies adequate amounts of nitrogen so that nitrogen fertilizer does not lead to any growth response. In other localities soils are poor in nitrogen and require nitrogen fertil...
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| Format: | Doctoral Thesis |
| Language: | English |
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University of Cape Town
2016
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| Online Access: | http://hdl.handle.net/11427/22241 |
