中国农业大学学报2011,Vol.16Issue(1):132-139,8.
耕地粮食生产能力隐性损失测算方法研究
Method to measure the elastic loss of grain productivity of arable lands
摘要
Abstract
The research on the productivity lose of the cultivated land was mostly put emphasis on land use conversion and few on the elastic loss of grain productivity. The method of the calculation was made to analyze the elastic loss of grain productivity in this paper,and methods as econometrics analysis,Arc GIS's spatial analysis and a case study of Daxing district in Beijng were employed. The result shows that comparative benefits of farm land could be the main reason to lead to the land use pattern change and land use intensity declining. Land use pattern conversion was calculated by change of grain planting area and the intensity change was calculated by grain yield difference. In the case study of Daxing district,the figures of the quantitative values of samples show that the regional distributing regularity is that the elastic loss of potential production was correlated with the economomic developed degree.关键词
耕地利用/粮食生产能力/隐性损失/农户分类
农业科技引用本文复制引用
李遥,梁颖,赵晶,孔祥斌,刘小刚,张宝芳..耕地粮食生产能力隐性损失测算方法研究[J].中国农业大学学报,2011,16(1):132-139,8.基金项目
国家自然科学基金资助项目(40871254) (40871254)