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Application Of A Maize Crop Simulation Model In The Central Region Of Malawi

P. K. Thornton, A. R. Saka, U. Singh, J. D. T. Kumwenda, J. E. Brink, J. B. Dent

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SUMMARYA computer crop simulation model of the growth and development of maize was validated using data sets obtained from field experiments run at various sites in the mid-altitude maize zone of central Malawi between 1989 and 1992. The model was used to provide information concerning management options such as the timing and quantity of nitrogen fertilizer applications and to quantify the weather-related risks of maize production in the region. It was linked to a Geographic Information System to provide information at a regional level that could ultimately be of value to policy makers and research and extension personnel.