基于GIS的耕地地力评价——以始兴县为例  

Evaluation of Farmland Productivity Based on GIS—A Case Study of Shixing County

作　　者：吴乐芹[1] 刘婷[1] 邓南荣[1] 

机构地区：[1]广东省生态环境与土壤研究所,广东广州510650

出　　处：《安徽农业科学》2014年第6期1826-1829,共4页Journal of Anhui Agricultural Sciences

基　　金：广东省科技计划项目(2010B060100068)

摘　　要：利用GIS技术建立耕地地力评价信息系统,选取立地条件、理化性状、养分状况、土壤管理和剖面性状等5大地力要素,12个评价指标,建立耕地地力评价体系及其模型。以始兴县为研究区域,运用空间分析、层次分析、模糊数学和综合指数等方法,对耕地地力进行综合评价,获取了耕地地力等级面积及其分布信息,经实地调查分析符合当地实际,表明该评价方法切实可行。The evaluation information system of farmland productivity was established by using GIS technology including five elements of fertility site conditions,physical and chemical properties,nutrient status,soil management and profile traits,etc.12 evaluation indexes.Taking Shixing County as the study area,spatial analysis,analytic hierarchy process,fuzzy mathematics and comprehensive index method were used to evaluate the cultivated land fertility.The area of cultivated land fertility and distribution information was obtained,and the results were consistent with local conditions according to field survey and analysis,which indicates that the evaluation method is feasible.

关 键 词：地理信息系统(GIS) 耕地地力评价 始兴县 

分 类 号：S127[农业科学—农业基础科学]