Subject(s): on-farm -- Agricultural innovations -- Agriculture Technology transfer -- farmers Group -- Farmer innovation : Role of farmers in creation of agricultural technology, innovative approach of Indian farmers, local knowledge for agroforestry and native plants, scientists views of farmers practice in India- barriers to effective interaction, farmer's knowledge, innovations and relation to science, agriculture as a performance, interactions for local innovation -- Farmers agenda first : Encouraging farmers experiments, virgilio's theorem- method for adaptive agricultural research, appraisal by group trek, community appraisal among upland farmers, diagrams for farmers, map drawn by farmers and extensionists, systems diagrams to help farmers decide in on farm research, interactive research -- Practical participation : farmers, non farm research and new technology, farmer participation in technology development, farmers groups and workshops, experience with group techniques in Colombia, innovator workshops in Bangladesh, farmer groups for technology development in Botswana, participatory technology validation in highland communities of Peru, two complementary approaches for farmer involvement in Indonesia, final reflections about on farm research methods -- Institutions and practical change : Scientists training and interactions with farmers in India, changes in organization of research on dryland agriculture, reversals, institutions and change