Environmental databases and several variables based on geoprocessing operations are used for a classification of Agropedoclimatic Zoning. This paper presents a case study of soybean carried out in the State of Rio Grande do Sul. PC-ArcInfo, Arcview, and SGI VGA softwares were used for data input, geoprocessing, and result presentation. Geoprocessing included the reclassification and overlay operations of information layers and their associated tables. Soil characteristics, such as fertility, texture, relief, effective depth, erosion susceptibility, drainage, rocks, and sodium saturation […]