Rainfed Agriculture: Unlocking the Potential

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Suhas Pralhad Wani, Johan Rockström, Theib Yousef Oweis
CABI, Jan 1, 2009 - Dry farming - 310 pages
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Rainfed agriculture is generally overlooked by development investors, researchers and policy makers due to limited confidence in its ability to increase agricultural production and development. However, research undertaken by a team of leading scientists from global organizations demonstrates its potential in achieving food security, improving livelihoods and most importantly addressing issues of equity and poverty reduction in dryland areas - the hot spots of poverty. On the basis of case studies from varied agricultural and ecological regions in Asia and Africa, chapters discuss the need for adopting new paradigms between rainfed and irrigated agriculture, catchment/micro-watershed management approaches, upgrades in science-based development and more investments in rainfed areas. Yield gaps for major rainfed crops are analysed globally and possible ways and means including technological, social, and institutional options to bridge the yield gaps are discussed in detail. Covering areas such as rainwater harvesting and its efficient use, the rehabilitation of degraded land and assessment methods for social, environmental and economic impacts, this book will be necessary for both academics and policy makers working in water management, agriculture and sustainable development.
 

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Contents

1 Rainfed Agriculture Past Trends and Future Prospects
1
2 Zooming in on the Global Hotspots of Rainfed Agriculture in Waterconstrained Environments
36
3 Water Resource Implications of Upgrading Rainfed Agriculture Focus on Green and Blue Water Tradeoffs
44
Indian Experience
54
5 Determinants of Crop Growth and Yield in a Changing Climate
73
Modelling of Achievable Yields at Farm Level
81
7 Can Rainfed Agriculture Feed the World? An Assessment of Potentials and Risk
124
8 Opportunities for Improving Crop Water Productivity through Genetic Enhancement of Dryland Crops
133
9 Water Harvesting for Improved Rainfed Agriculture in the Dry Environments
164
10 Supplemental Irrigation for Improved Rainfed Agriculture in WANA Region
182
11 Opportunities for Water Harvesting and Supplemental Irrigation for Improving Rainfed Agriculture in Semiarid Areas
197
12 Integrated Farm Management Practices and Upscaling the Impact for Increased Productivity of Rainfed Systems
222
Synthesis of Lessons and Experiences
258
14 Scalingout Community Watershed Management for Multiple Benefits in Rainfed Areas
276
Index
292
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