Landform and phosphorus effects on nitrogen fixed by annual clovers and its contribution to succeeding cereals in the Ethiopian highlands
Poor drainage of Vertisols and nitrogen (N) and phosphorus (P) deficiencies are some if the major constraints to food and feed production in the Ethiopian highlands. The effects of soil drainage and P supply on N fixation by annual trifolium species and their residual value to succeeding crops was i...
| Main Authors: | , |
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| Format: | Journal Article |
| Language: | Inglés |
| Published: |
1999
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/28370 |
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