Economic analysis and food security contribution of supplemental irrigation and farm ponds: evidence from northern Burkina Faso

Beteo Zongo, Bruno Barbier (bruno.barbier@cirad.fr), Abdoulaye Diarra, Malicki Zorom, Calvin Atewamba, Omer Combary, Souleymane Ouédraogo, Patrice Toé, Yacouba Hamma and Thomas Dogot
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Bruno Barbier: UMR G-EAU - Gestion de l'Eau, Acteurs, Usages - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - BRGM - Bureau de Recherches Géologiques et Minières - IRD - Institut de Recherche pour le Développement - AgroParisTech - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - Institut Agro Montpellier - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement, Cirad-ES - Département Environnements et Sociétés - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement
Abdoulaye Diarra: Word Health Organization Country Office Gabon
Malicki Zorom: 2iE - Institut international d'ingénierie de l'eau et de l'environnement
Souleymane Ouédraogo: INERA - Institut de l'Environnement et Recherches Agricoles [Ouagadougou] - CNRST - Centre national de la recherche scientifique et technologique [Ouagadougou]
Yacouba Hamma: 2iE - Institut international d'ingénierie de l'eau et de l'environnement
Thomas Dogot: [FUSAGx] - Gembloux Agro-Bio Tech [Faculté universitaire des sciences agronomiques de Gembloux] - ULiège - Université de Liège = University of Liège = Universiteit van Luik = Universität Lüttich

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Abstract: Background Dry spells are serious obstacles to rainfed agriculture in Sahelian countries. Various water harvesting techniques are used by farmers to reduce the impact of climate variability, but are not sufficient in the case of a prolonged drought lasting 2–3 weeks. The farmers believe supplemental irrigation is a good way to adapt rainfed agriculture to dry spells. In this study, we evaluated the food contribution and profitability of supplemental irrigation of rainfed crops comparing various farm ponds that collect runoff water from the surrounding landscape. Methods We analyzed the contribution of supplemental irrigation to food security and compared the profitability of different types of ponds constructed by farmers in northern Burkina Faso. Human cereal requirement was used as indicators to analyze the contribution of supplemental irrigation to food security. The criteria for analyzing the profitability of the selected ponds were gross margin (GM), net present value (NPV), internal rate of return (IRR) and payback period (PBP). Results Our results show that the additional yield of corn obtained with supplemental irrigation makes it possible to meet the monthly cereal needs of at least 17 people and generates an additional GM of FCFA 178,483 (US$ 309.26) compared to no irrigation. The estimate of the NPV, from IRR and PBP showed that the profitability of supplemental irrigation in 15 agricultural seasons varies between the type of ponds constructed. Conclusions Given the up-front cost and the farmers' lack of resources, the ponds require a subsidy or a credit policy to facilitate the adoption of supplemental irrigation in Sahelian countries. However, the irrigation strategies to optimize agricultural income remain a field of research to be explored.

Date: 2022-01-18
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Published in Agriculture and Food Security, 2022, 11 (1), pp.4. ⟨10.1186/s40066-021-00347-0⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-04559795

DOI: 10.1186/s40066-021-00347-0

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