中文摘要：

基于G IS技术和数据库技术,提出了建立耕地质量预警系统的总体流程,设计了耕地质量预警系统的功能和数据库结构,并以江苏省金坛市为例建立了一套完整的耕地质量预警信息数据库和耕地质量预警系统。结果表明,耕地质量预警信息系统为耕地质量预警工作提供了相应的辅助决策功能,可以为耕地保护工作提供及时、动态的数据支持。

英文摘要：

This paper put forward a set of work flow to build early-warning system for cultivated land quality based on GIS and database technology, and designed system functions and structure. In order to testify system＇ s effect, developed cultivated land quality early-warning system and built database in Jintan city. The results show that the cultivated land quality earlywarning system can provide assistant support for cultivated land quality early-warning, also provide temporal data for regional cultivated land protection.