摘要： 应用组件技术建立了开放式的土壤信息系统。提出了适合于土壤信息处理的基于COM的地理信息系统与专业应用软件的接口标准。建立了土壤信息处理组件，内建了土壤质量评价、土地适宜性评价、土壤侵蚀强度评价和土壤侵蚀危险度分级等专业应用模型，并将建成的土壤信息系统在咸宁市进行了系统应用。

关键词: 地理信息系统, 组件对象模型, 土壤信息系统

Abstract: An opening soil information system is constructed based on COM, in which the linking standard is conducted out with GIS and it is suitable to process soil information. Moreover, soil information processing component is constructed, which includes several model components such as soil quality assessment model, soil use suitability assessment model, soil erosion assessment model and risk model of soil erosion. To evaluate the system, it is successfully applied in Xianning city.

中图分类号: 

• TP319