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Irrigation investment trends and economic performances in the Sahelian countries of West Africa

Barbier Bruno, Jamin Jean-Yves, Ouedraogo Hervé, Diarra Abdoulaye, Barry Boubacar. 2014. Irrigation investment trends and economic performances in the Sahelian countries of West Africa. In : Irrigation in West Africa: Current Status and a View to the Future : Proceedings of the Workshop held in Ouagadougou, Burkina Faso, December 1-2, 2010. Regassa E. Namara ; Hilmy Sally (eds.). Colombo : International Water Management Institute, pp. 21-35. ISBN 978-92-9090-797-8 Workshop on Irrigation in West Africa: Current Status and a View to the Future, Ouagadougou, Burkina Faso, 1 December 2010/2 December 2010.

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Abstract : Irrigation development is crucial to ensure food security and reduce climate vulnerability in Sahelian countries. However, 'irrigation' covers a wide variety of systems and practices, some of which are little known to policymakers and scientists. In this paper, we discuss various technical and managerial options, including free or controlled flooding, improved inland valley, flood recession cropping, and full water control in small- and large-scale irrigation schemes. Over the last few decades, planners promoted two contrasting strategies. One is based on large schemes, commercial or public, where yields have been improved but water is still over-used. The other strategy is based on small private irrigation which is expanding fast throughout West Africa. It is necessary to better understand the various systems used by farmers throughout the Sahel region to select the less costly and most relevant strategies for irrigation development. (Résumé d'auteur)

Classification Agris : F06 - Irrigation
E16 - Production economics
P10 - Water resources and management

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Source : Cirad - Agritrop (https://agritrop.cirad.fr/575286/)

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