基于不同指标权重计算方法的耕地地力评价对比研究  

Comparative study on the cultivated land fertility evaluation based on different calculation methods of indexes weights

作　　者：马会宁[1] 陈伟强[1] 程道全 朱帅蒙 房阿曼 赵洁[1] 

机构地区：[1]河南农业大学资源与环境学院,河南郑州450002 [2]河南省土壤肥料工作站,河南郑州450002

出　　处：《河南农业大学学报》2015年第4期517-523,共7页Journal of Henan Agricultural University

基　　金：国家自然科学基金项目(41201209)

摘　　要：为了提高耕地地力评价结果的精确度,探讨更加适合耕地地力评价的方法,本研究以河南省洛阳市为例,采用层次分析法、灰色关联度分析法、基于主客观集成赋权的方法分别求取权重,并根据评价综合指数与作物产量之间一致性程度,对比不同评价方法的优劣。结果表明,3种方法求得的耕地地力综合指数与作物产量之间都有显著性关系,Pearson相关性依次为0.216、0.249、0.311,在0.01水平上显著相关,说明3种方法都可以用于耕地地力评价。基于主客观集成赋权的方法要明显优于参与对比的层次分析法和灰色关联度分析法,更适合洛阳市耕地地力评价。Taking Luoyang as the research object, methods of analytic hierarchy process（AHP）, grey related analysis and subjective and objective integrated empowerment were employed to calculate indexes weights independently in order to improve the accuracy of the results of land fertility evaluation and probe the more suitable method for it. According to the degree of consistency between the integrated fertility index and crop yields, the pros and cons of different evaluation methods were compared. The result indicates that the integrated fertility indexes obtained by the three methods and crop yields have a significant relationship, Pearson correlation coefficient are 0. 216,0. 249, and 0. 311, and at 0.01 level it is obvious, which indicates that the three methods can be used to implement the cultivated land fertility evaluation. Significantly, the subjective and objective integrated empowerment is superior to the other two methods and more suitable for land fertility evaluation of Luoyang.

关 键 词：耕地地力评价 层次分析法 灰色关联度 模糊数学 主客观集成赋权 

分 类 号：S158[农业科学—土壤学]