It has long been recognized that agricultural research should involve the farmers themselves. Participatory agricultural research methods have been developed to help farmers and researchers to identify the most appropriate technologies and techniques for a particular area. However, mainstreaming this collaborative approach within government research institutions and extension services has lagged behind. This book describes the Farmers' Research Group (FRG) approach by which a multi-disciplinary research team, extension workers and groups of farmers jointly conduct research on selected topics...