Investing to promote agricultural growth and poverty reduction is a central pillar of the World Bank's current rural strategy. One major thrust of the strategy outlines the priorities and the approaches that the public sector, private sector, and civil society can employ to enhance productivity and competitiveness of the agricultural sector in ways that reduce the rural poverty and sustain the natural resource base. This Sourcebook addresses how to implement the rural strategy. It provides information on investment options and innovative approaches that will aid the design of future lending programs for agriculture. It draws on a wide range of experience from donor agencies, governments, institutions, and other groups active in agricultural development. It is an invaluable reference tool for policy makers, professionals, academics and students, or anyone with an interest in agricultural investments.