基于优度评价的种粮田地适宜性选择  

Selecting Suitable Croplands by Priority-Degree Evaluation

作　　者：潘珍妮[1] 高红江[1] 杨斯玲[1] 

机构地区：[1]天津大学管理与经济学部,天津市300072

出　　处：《中国农机化》2012年第5期197-200,共4页Chinese Agricul Tural Mechanization

摘　　要：种粮田地适宜性选择是种粮田地改造设计管理的重要前提。根据粮食作物自身生长和现代科学种植的需要,对种粮田地系统进行分析,找出影响土地生产力的地区气候条件、土壤条件和田块条件,以此为基础构建了种粮田地适宜性选择的指标体系;基于种粮田地四个适宜程度等级的划分,运用可拓学中的优度评价方法建立了物元模型,通过计算关联度和适宜等级变量特征值对种粮田地适宜等级进行评定,以此选择适宜的种粮田地,并为田地改造设计管理奠定基础。Selecting suitable croplands is a prerequisite to carry out design management for field improvement. According to the demand of crops growing and modem scientific planting, the cropland system of the regional climate condition, soil conditions and field conditions in- fluencing land productivity is analyzed, and the index system of cropland suitability selection is build; Based on the divided four suitability degree, the matter-element model of cropland suitability selection is established by priority-degree evaluation approach in Extenics, and the suitability degree can be assessed by calculating the correlativity and their eigenvalues. Thus, the appropriate cropland can be selected, which lay the foundation for the design management of land improvement.

关 键 词：粮食种植 田地选择 土地适宜性 可拓学 优度评价 

分 类 号：F323[经济管理—产业经济]