Abstract: ABSTRACT Increasing rural populations and the associated agricultural intensification and reduction in fallow periods of cropping systems in Senegal may be degrading soils. This may be related to the per capita decrease in food production of the semi-arid Sub-Sahel region. This study investigated the effect of applying combinations of manure/crop residue compost (2 t ha−1) and mineral fertilizer on yields of millet in the semi-arid agroecological zone of Senegal. Farmers who applied neither compost nor fertilizer had yields of 430 kg ha−1 c...
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