Agroecology; Resource-poor farmers; Natural resource management; Marginal environments; Sustainable agriculture

Agroecology: the science of natural resource management for poor farmers in marginal environments Miguel A. Altieri∗ Department of Environmental Science Policy and Management, University of Californi

Throughout the developing world, resource-poor farmers (about 1.4 billion people) located in risk-prone, marginal environments, remain untouched by modern agricultural technology.