某区农业水土环境系统的状态可由人类农事活动对农业水土环境要素及其构成类型的进占程度描述。
A given district's system condition may be expressed as taking degree of mankind's farming behavior extent to the key element the agricultural water and soil environment.
介绍了农业水土工程学科信息管理系统(asweis)的设计原则及系统的结构、功能、特点和运行环境。
The design principles, system structures, system functions, system characteristics and operation environments of Agricultural Soil Water Engineering Information system (ASWEIS) have been introduced.
以实地考察材料为基础，分析了兴山县农业生态环境的两大问题——水土流失和土壤质量差。
Based on the data of field investigation, two significant agricultural eco environment issues, soil erosion and poor soil quality, in Xingshan county, Hubei province were analyzed.
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