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.
Předmět:
Zdroj: Agriculture, Ecosystems & Environment. Sep1992, Vol. 41 Issue 3/4, p241. 0p.
Databáze: GreenFILE