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SEI working paper

Evolution of Agricultural Water Management in Rainfed Crop-Livestock Systems of the Volta Basin

The objective of this paper is to synthesize existing knowledge, interventions, lessons, and gaps in knowledge regarding agricultural water management in the Volta Basin.

Jennie Barron / Published on 29 August 2012

Douxchamps, S., A. Ayantunde, and J. Barron (2012). Evolution of Agricultural Water Management in Rainfed Crop-Livestock Systems of the Volta Basin. CGIAR Challenge Program on Water and Food, R4D (Research for Development) Series, Working Paper 4.

Agricultural water management (AWM) is the activity of planning, developing, distributing and managing the optimum use of water resources for agricultural purposes, through a suite of strategies. It comprises all types of agricultural systems, from rainfed to fully irrigated, with water sources varying between rainwater, surface water or groundwater.

In the dry areas of the Volta Basin, agricultural systems are mostly rainfed. AWM strategies in rainfed systems are different ways to influence rainwater flows in order to maximize infiltration in the soil, retain run-off and minimize losses, and range from field-scale techniques like stone bunds or manure application to watershed-scale structures like small reservoirs.

These AWM strategies have been extensively studied and promoted in the Volta Basin during the last decades. However, economic and physical water scarcity still limits agricultural production of most of the smallholder crop-livestock farms of the basin. Numerous projects and programs are currently working on best-fit AWM identification and promotion in the basin. In this context, there is a high risk of duplication of what has been done or of reinventing the wheel.

The questions that the paper addresses include (i) who did what, how, where, with which results and why, (ii) what are the lessons learned for longer term development efforts and interventions and (iii) what are the knowledge gaps, with focus on the Volta Basin. Key resource informants were interviewed and more than 250 documents were consulted, from peer-reviewed research papers to grey literature and project documents, from 1969 up to now.

Learn more and download the report (external link to CGIAR website)

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Topics and subtopics
Water : Water resources, Food and agriculture
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