Yield response of maize to fertilizers and manure under different agro-ecological conditions in Kenya
Autor: | Smaling, E. M. A., Muchena, F. N. Muchena, Prestele, H., Nandwa, S. M. |
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Zdroj: | Agriculture, Ecosystems & Environment. Sep1992, Vol. 41 Issue 3/4, p241. 0p. |
Databáze: | GreenFILE |
Externí odkaz: |