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Research on Adjustment of Water Saving Agicutural Crop Structure Based on RS-and-GIS
Author(s): 
Pages: 6-8
Year: Issue:  5
Journal: WATER SAVING IRRIGATION

Keyword:  RSGIS节水农业作物布局调整;
Abstract: 我国农业用水占总用水量的65%,这使得农业节水研究成为热点问题.农业节水的核心为提高农作物的水分利用效率,农作物空间布局结构的调整是比较有效的途径之一.借助RS和GIS技术,利用1998、2005年2期TM卫星遥感影像资料,结合世行项目进行的海河流域土地利用/覆盖调查数据,采用计算机自动分类和目视解译相结合的方法,对天津市宁河县近7年来农作物种植结构调整情况进行了分析研究,认为调整作物布局是现阶段有效的节水途径.
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