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Maize is the world's most widely grown cereal and a dietary staple throughout the Third World, but its full potential has only begun to be tapped. This book examines the biological and economic issues relevant to improving the productivity of maize in developing countries, and explores practical problems. These range from maximizing the crop's reproductive behaviour and genetic resistance to insects and diseases, to determining research priorities, promoting private-sector services, and the effective use of technology. The authors also discuss the place of maize in the world economy, the roles of public and private research organizations, and problems of policy.