Zoneamento Agroclimático para a Cultura da Soja no Leste do Estado do Pará.
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In order to determine reasonable planting time and zoning for soybean in the regions of Northeast and Southeast Pará, water ballance simulation and a zoning approach were conduced. Water balance was analysed by using combinations of 12 planting time, soil available water and two crop varieties. In adition, field informations related to soil texture, plant phenology and crop water consumption were also analysed. From water balance several paramaters were determined including the moisture satisfaction index (HNSI) and climatic risks. The zoning approach was based on two aspects: the climatic risks as an indicator to determine the climatic suitability classes for soybean and the geographic system analyses(GIS) for spatial analysis. The overall results show 72 zoning maps indicanting favorable planting time and suitable areas for soybean crop.
Palabras clave
Pará, Zoneamento, Clima, Soja