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Books > Earth & environment > Geography > Regional geography
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Water Harvesting in Sub-Saharan Africa (Paperback, New)
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Water Harvesting in Sub-Saharan Africa (Paperback, New)
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Agriculture in Sub-Saharan Africa is constrained by highly variable
rainfall, frequent drought and low water productivity. There is an
urgent need, heightened by climate change, for appropriate
technologies to address this problem through managing and
increasing the quantity of water on farmers' fields - water
harvesting. This book defines water harvesting as a set of
approaches which occupy an intermediate position along the
water-management spectrum extending from in situ moisture
conservation to irrigated agriculture. They generally comprise
small-scale systems that induce, collect, store and make use of
local surface runoff for agriculture. The authors review
development experience and set out the state of the art of water
harvesting for crop production and other benefits in Sub-Saharan
Africa. This includes an assessment of water harvesting schemes
that were initiated two or three decades ago when interest was
stimulated by the droughts of the 1970s and 1980s. These provide
lessons to promote sustainable development of dryland agriculture
in the face of changing environmental conditions. Case studies from
eight countries across Sub-Saharan Africa provide the evidence
base. Each follows a similar format and is based on assessments
conducted in collaboration with in-country partners, with a focus
on attempts to promote adoption of water harvesting, both
horizontally (spread) and vertically (institutionalization).
Introductory cross-cutting chapters as well as an analytical
conclusion are also included.
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