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註釋This state-of-the-art paper is the second in a series of papers on farming systems research (FSR) in the Third World. The objetives of the paper are to: a) review the literature on farming systems, b) evaluate farming systems research in international institutes and in national agricultural research systems in the Third World, and c) recommend what can be done to improve and expad FSR in order to develop technology that is appropriate for the majority of small farmers.