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Organic based nutrient management strategies：Effect on soil nutrient availability and maize（Zea mays L.）performance in Njoro, Kenya
Biological nitrogen fixation farm yard manure improved legume fallow residue management
2009/3/4
A field experiment based on the concept of organic nutrient management (ONM) was conducted in Njoro, Kenya to test the effect of improved legume fallows; crotalaria (CR), lablab (LB), garden pea (GP...