• Traditional yam cropping systems are based on shifting cultivation
    and slash and burn which lead to deforestation and soil degradation. The objective of this study was to determine the productivity of cropping sequences with herbaceous legumes and
    their effects on the profitability of subsequent yam. We compared
    smallholders’ traditional cropping sequences (one-year fallow of
    Andropogonon gayanus, maize) with those using herbaceous
    legumes (maize-Aeschynomene histrix, maize-Mucuna pruriens
    var utilis) during 2002–2005. Highest dry mater, nutrients recycled, and net nitrogen contribution were found with Mucuna
    preceding yam (P < 0.001). Highest net revenue and return on investment were achieved in yam-based with legumes.

  • Raphiou Maliki National Agricultural Researches Institute of Benin (INRAB),
    Cotonou, Benin

    Brice Sinsin Faculty of Agronomic Sciences, University of Abomey-Calavi (FSA/UAC), Cotonou, Benin

    Anne Floquet Center for Environment, Economic and Social Development of Benin (CEBEDES), Cotonou, Benin



    Copyright:Journal of Sustainable Agriculture, 36:440–460, 2012
    © Taylor & Francis Group, LLC

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