Agriculture in Sub-Saharan Africa is restricted by means of hugely variable rainfall, common drought and coffee water productiveness. there's an pressing want, heightened by way of weather change, for applicable applied sciences to deal with this challenge via coping with and extending the amount of water on farmers’ fields – water harvesting. This booklet defines water harvesting as a suite of ways which occupy an intermediate place alongside the water-management spectrum extending from in situ moisture conservation to irrigated agriculture. they often include small-scale platforms that result in, gather, shop and utilize neighborhood floor runoff for agriculture.
The authors evaluation improvement adventure and set out the state-of-the-art of water harvesting for crop construction and different advantages in Sub-Saharan Africa. This contains an overview of water harvesting schemes that have been initiated two or 3 decades ago whilst curiosity was once encouraged through the droughts of the Nineteen Seventies and Eighties. those offer classes to advertise sustainable improvement of dryland agriculture within the face of fixing environmental stipulations. Case experiences from eight nations across Sub-Saharan Africa give you the proof base. each one follows an identical layout and relies on tests carried out in collaboration with in-country companions, with a spotlight on attempts to advertise adoption of water harvesting, either horizontally (spread) and vertically (institutionalization). Introductory cross-cutting chapters in addition to an analytical end also are incorporated.