Agronomic and economic efficiency of manure and urea fertilizers use on vertisols in Ethiopian highlands
Soil fertility depletion is among the major impediments to sustained agricultural productivity especially in the less developed countries because of limited application of fertilizers. Soil fertility maintenance requires a balanced application of inorganic and organic nutrient sources. This study wa...
| Main Authors: | , |
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| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Elsevier
2009
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/40601 |
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