The classification of cropland in Ezhou city of Hubei Province is carried out using Agro-land Evaluation information system based on ComGIS. It is necessary to promote reasonable utilization and scientific management of cropland resources. First, the factors and weight of affecting cropland quality are decided by Delphi and AHP methods. Then to obtain classification unit coverage with coverages of buffer area analysis of trade-center and irrigation canal overlaied by coverages of other factors affecting cropland quality. The value of factors are standardized by different value function and the...
