ECONOMIC ANALYSIS AND FOOD SECURITY CONTRIBUTION OF SUPPLEMENTAL IRRIGATION AND FARM PONDS: EVIDENCE FROM NORTHERN BURKINA FASO
Bétéo Zongo | Bruno Barbier | Thomas Dogot | Abdoulaye Diarra | Malicki Zorom | Calvin Atewamba | Omer S Combary | Souleymane Ouédraogo | Patrice Toé | Harouna Karambiri | Yacouba Hamma
The dry spells are severe obstacles to rainfed agriculture in Sahelian countries. The farmers believe supplemental irrigation is an excellent way to adapt rainfed agriculture to dry spells. In this study, 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). The 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 type of ponds constructed. 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.
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