Strengthening researcher-extension-farmer participation in soil fertility restoration for sustainable crop production in western Kenya
Date of publication:
2010
nutrients
Translating integrated soil fertility management empirical knowledge into action through participatory learning and marketing with farmers in Zimbabwe
Date of publication:
2010
Comparative effect of farmyard manure, cowpea residues and NPK Fertilizer on maize grain yield in Morogoro
Date of publication:
2010
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