基于知识模型的农业水分生产率评价与区域灌溉策略分析  

Knowledge model based agricultural water productivity ratio evaluation and regional irrigation strategy analysis

作　　者：周留根[1] 曹卫星[1] 周治国[1] 

机构地区：[1]南京农业大学江苏省信息农业高技术研究重点实验室农业部作物生长调控重点开放实验室,南京210095

出　　处：《干旱地区农业研究》2006年第1期117-121,共5页Agricultural Research in the Arid Areas

基　　金：国家863计划项目(2003AA209030);国家自然科学基金重点项目(30030090)

摘　　要：引入农业标准产量概念,建立农业水分生产率评价知识模型,以省域为分析单元,从灌溉强度和灌溉广度两个方面研究农业水分生产率的变化,评价区域农业水分生产率状态,并根据不同区域水分生产率形成要素特征进行灌溉策略分析。The concept of agricultural standard yield was introduced, and the knowledge model of agricultural water productivity ratio evaluation was set up. From the aspect of irrigation intensity and extent, the changes of agricultural water productivity ratio of different provinces in China were studied, the state of regional agricultural water productivity ratio was evaluated, and the corresponding irrigation strategies were analyzed according to the basic characters of regional water productivity ratio.

关 键 词：知识模型 农业标准产量 农业水分生产率 灌溉策略 

分 类 号：S274.1[农业科学—农业水土工程]