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Agronomic and economic performance of yam-based systems with shrubby and herbaceous legumes adapted by smallholders

Maliki R., Cornet D., Floquet A., Sinsin B.A.. 2012. Outlook on Agriculture, 41 (3) : p. 171-178.

West Africa has major problems relating to the impact of slash-and-burn shifting cultivation on soil systems. In order to design more sustainable yam cropping systems, agronomy research in Benin has implemented trials in partnership with smallholders on alternative yam-based systems using shrubby (Gliricidia sepium) and herbaceous (Aeschynomene histrix) legumes. In the first phase, farmers modified these new systems within their own constraints; the systems were then further evaluated. The agronomic and economic performance of farmer-adapted alternative yam-based cropping systems and the implications for wider international application are discussed. (Résumé d'auteur)

Mots-clés : développement durable; durabilité; adaptation; culture en mélange; plante de culture associée; agroforesterie; gliricidia sepium; aeschynomène; petite exploitation agricole; système d'exploitation agricole; fertilité du sol; igname; bénin; agriculture sur brûlis

Thématique : Systèmes et modes de culture; Fertilité du sol; Structure agraire

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