Publications des agents du Cirad

Cirad

Rainfall variability adaptation strategies: An ex-ante assessment of supplemental irrigation from farm ponds in southern Burkina Faso

Sanfo S., Barbier B., Dabire I., Vlek P.L.G., Fonta W.M., Ibrahim B., Barry B.. 2017. Agricultural Systems, 152 : p. 80-89.

This study assesses the economic value of supplemental irrigation as a rainfall variability adaptation strategy in a small catchment in south-western Burkina Faso. The bio-economic model built for the catchment maximises net cash income by optimally allocating land, labour, water and capital. Yields vary according to soil type, agricultural practice and the type of rainy season. We introduced farm ponds as an adaptation strategy ¿ called supplemental irrigation ¿ for grain crops during long dry spells in the rainy season. Simulation results show that supplemental irrigation can be cost effective and increase incomes, particularly during years with poor rainfall. However, in this catchment, gains from supplemental irrigation are limited because labour and capital are constraints on pond implementation. (Résumé d'auteur)

Mots-clés : vigna unguiculata; oryza sativa; gossypium; sorghum bicolor; pennisetum glaucum; zea mays; modèle mathématique; culture pluviale; sécheresse; réservoir d'eau; analyse économique; Évaluation de l¿impact ex-ante; modèle économétrique; gestion du risque; adaptation aux changements climatiques; adaptation; précipitation; pluviométrie; variation saisonnière; irrigation de complément; burkina faso

Thématique : Irrigation; Météorologie et climatologie; Economie de la production

Documents associés

Article de revue

Agents Cirad, auteurs de cette publication :