RESEARCH AND IMPLEMENT OF MAIZE VARIETY PROMOTION DECISION SUPPORT SYSTEM BASED ON WEBGIS

In China, maize is a main cereal crop. Actually maize has a huge number of varieties which are also updating day by day. However, the seed enterprises frequently don't seriously consider the suitability of the varieties but promoting blindly, leading to the loss of both enterprises and farmers. This study focuses oil the design and development of a network platform which call put forward promotion proposal of maize varieties. This platform is based oil Visual Studio 2005 + SuperMap IS. NET 2008 + SQL Server 2000, and considers seed enterprises as the main target. Furthermore, it integrates varieties' suitability evaluation model and combination model which arc also very helpful to the promoting of maize variety. This system analyzes the specific requirements of users. It is integrated with the existing suitability evaluation model and combination model. With GIS, it sufficiently caters for their practice requirements and is easy-to-use, and call provide users support for decision-making in promoting or introducing varieties. At the same time it provides information of maize variety and regional planting environmental characteristics.