Iris Publishers - World Journal of Agriculture and Soil Science (WJASS)
Yam-Based Cropping Systems Performances with Herbaceous Legumes and Chemical Fertilizers Authorized by Raphiou Maliki PhD In West Africa, the traditional yam-based cropping systems (shifting cultivation and slash-and-burn) contribute to the deforestation, land degradation and low soil productivity. With the aim of designing more sustainable yam cropping systems, the agronomic research organization in Benin implemented alternative systems including herbaceous legumes ( Aeschynomene histrix and Mucuna pruriens var utilis ) and chemical fertilizers.This study examines the effect of rotations with herbaceous legumes and chemical fertilizers on yam yields and soils, to see how consistent they are for the different farmers within a site, and different sites. A perennial experiment was implemented for 4 years, with 2-year rotations, smallholder farmers’ traditional rotations maize-yam or 1-year Andropogonon gayanus (natural fallow)–yam, with rotations intercropped Aeschynomene ...