Abstract: On the basis of establishing the assessment method of farmland production environment quality, with the national environment quality standard as basic criteria, using fuzzy cluster evaluation method, improved standard weight deciding method and hierarchical analysis process as assessment means, and using WebGIS as spacial information platform, a Web-based intelligent environment quality assessment system was developed to support farming. The system has realized the functions as data storage and editing, data maintenance and backup, information query, intelligent assessment and result display. Case studies on the assessment system with the datasets in Yizheng City of Jiangsu Province indicated a good suitability and guidance of the system on environment quality assessment in farming base.

Key words: WebGIS, Farmland, Production environment quality, Assessment system