The effects of climatic variations on crop yields: a simulation approach.

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In 1978 a simulation model of the water-plant-soil type was developed by researchers of the Brazilian Agricultural Research Enterprise (EMBRAPA), (Garagorry et al., 1982). This model was the main element of a computerized system for analysis of agroclimatic data, used to meet the needs of researchers of the Center for Agricultural Research in the Semi-Ar'idTropies, CPATSA(located in Pet.rolina, State of Pernambuco).

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Variacao, Nordeste, Climatic variation, Northeast, Agricultura, Clima, Produtividade, agriculture, climate, crop yield

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