Farming systems research in the brazilian semi arid tropics: the experience of Ouricuri, State of Pernambuco.

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The setting, the research programme at CPATSA, methodology of Farming System Research: selection of farms and project formulation. Introduction of new technologies.

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Experiencia, Pernambuco, Farming system, Experience, Semi-arid tropic, Ouricuri, Pesquisa, Sistema de Produção, Tecnologia, research, technology

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