Other authors are Roger Beachy of the U.S. Agriculture Department; Peter Cooper of the India-based International Crops Research Institute for the Semi-Arid Tropics; David Fischhoff of Monsanto Co.; Carl Hodges of The Seawater Foundation; Vic Knauf of Arcadia Biosciences; David Lobell of Stanford University; Barbara Mazur of the DuPont Experimental Station; David Molden of the Sri Lanka-based International Water Management Institute; Matthew Reynolds of the Mexico City-based International Maize and Wheat Improvement Center; Pamela Ronald of the University of California, Davis, and the Joint Bioenergy Institute; Mark Rosegrant of the International Food Policy Research Institute; Pedro Sanchez of Columbia University; Avigad Vonshak of Ben-Gurion University in Israel; and Jian-Kang Zhu of the King Abdullah University of Science and Technology in Saudi Arabia and the University of California, Riverside.
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Source: http://www.sciencedaily.com/releases/2010/02/10021
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The ability of farmers to engage in or expand irrigation depends on the prevailing socioeconomic, ecological and political contexts, which are often complex, non-linear and changeable. Overcoming systemic barriers to farmer-led irrigation development while taking advantage of existing opportunities 
A lack of affordable credit, particularly for women and resource-poor farmers, is one of the main barriers to expanding farmer-led irrigation in low- and middle-income countries. But 
Scaling farmer-led irrigation requires strengthening human capacity and knowledge exchange among all actors and stakeholders involved. IWMI takes an action research approach, working with national and international research institutions, governments, extension agents and public and private organizations to co-develop the scaling ecosystem and strengthen capacity to drive scaling networks and collective action. We support the