Soil and Soil Fertility Management Research in Sub-Saharan Africa : Fifty years of shifting visions and chequered achievements
Kamara, Alpha Hauser, Stefan Pypers, Pieter van Asten, Piet Huising, Jeroen Mutsaers, Henk Taulya, Godfrey Nziguheba, Generose Coyne, Danny Vanlauwe, Bernard
Earthscan Studies in Natural Resource Management Heftet Engelsk
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