In order to realize the digitization and information management on the physical and chemical characteristics, the eco-environmental condition of tobacco growing soil, and the social and economic status of tobacco growing regions in Hunan, an information system was developed by inserting MapObjects component into the Visual Basic development environment and combining the techniques of ComGIS. The system had the inquiring and statistical functions of attribut and spatial data. It could provide soil information and decision-making support for the tobacco growing soil suitability appraisal, the to...
