Evaluating Agricultural Practices in the Sahel

Rising temperatures, shifts in rainfall patterns and amounts, and more frequent extremes of drought, rainfall, and flooding are expected to affect the region. Governments, donors, research institutions, and other organizations seeking to assist farmers in the Sahel must evaluate how the changing climate will impact the tools and management practices currently in use. The proposed approach to assessing agricultural practices within a changing climate involves three steps. The first step involves defining potential future climate conditions to which agricultural practices will need to adapt, and estimating when these changes will occur. This step requires gathering information on changes in rainfall patterns, daytime and nighttime temperatures, and the frequency of extreme events. The data would then be compiled and studied to project climate change scenarios for the 2025 season, providing the basis for assessing adaptive practices. The second step involves identifying the practices to be assessed and creating an "adaptation profile" for each one. This step includes defining adaptation objectives and using that information to identify priority practices for assessment. A catalog of the most relevant practices is provided in Ray and Simpson's "Agricultural Adaptation to Climate Change in the Sahel: Profiles of Agricultural Management Practices." Further research is needed regarding the characteristics of each practice. The third step involves selecting or developing assessment procedures for the different classes of practices and evaluating the responsiveness of those practices to the anticipated conditions under the various climate change scenarios identified in Step 1. The practices will need to be screened for their potential technical, financial, and social benefits. They should not only generate the climate adaptation outcomes required but also have a neutral or positive financial impact on the farmer, align with the farmer's desires, and fit within the farmer's capacity to manage. The complexity of assessing adaptive practices across the Sahel lends itself to a multi-step approach. The proposed approach involves several key components, including the development of future climate scenarios, the identification and prioritization of practices, and the selection of assessment procedures. The approach also involves the consideration of various factors, including international trade, domestic policies, large-scale infrastructure investments, the functioning of research and extension services, and local social structures.