摘要
通过对比2003年至2011年迁西县耕地质量等别情况,分析了耕地质量等别变化特征,并选取11个影响耕地质量等别的驱动因素,运用SPSS软件建立线性回归方程,对迁西县耕地质量等别变化的驱动机制进行了分析。结果表明,经济非农化率、城市化率、土地综合整治、种植制度变化是影响迁西县耕地质量等别变化的最重要驱动因素。
The cultivated land quality grade situations of Qianxi County from 2003 to 2011 were contrasted, and the change characteristics of cultivated land quality grade were analyzed .Eleven driving factors influencing the cultivated land quality grade were choosed , and the driving mechanism of cultivated land quality grade change in Qianxi were studied using the linear regression equation established by SPSS software .The results showed that the non -agriculturalizing rate of economy , urbanization rate ,comprehensive improvement of land, and the change of cropping system were the main driving factors that affected the cultivated land grade change in Qianxi County .
出处
《山东农业科学》
2014年第10期101-104,共4页
Shandong Agricultural Sciences
基金
国家自然科学基金项目"土地利用功能的系统分类研究"(编号41171176)
关键词
耕地质量
驱动机制
迁西县
Cultivated land quality
Driving mechanism
Qianxi County