江苏省耕地质量等别更新评价--以镇江市新区为例

运用因素法计算出耕地质量等别,利用对比分析法比较耕地自然、经济属性和耕地质量之间的相关性,掌握耕地质量与数量现状及变化状况,找出影响耕地质量的主要因素因子,发现耕地质量与耕地的自然、社会经济属性有很强的相关性:地形地貌决定耕地自然质量的高低;作物种植结构的科学性、农田水利设施的完善程度影响耕地利用质量;耕地区位决定耕地经济质量。

Study on th e Update Evaluation of Cultivated Land Quality in Jiangsu Province-A Case Study of the New District in Zhenjiang City

The research methods that used in this paper include factor method, to figure out the grade of cultivated land, and comparative analy-sis method, to find out the relationship between the quality of cultivated land and the natural and economic attribute .On the basis of this result, to know the status and change of quality and quantity of cultivated land , the main factors that affect the quality of cultivated land were obtained . It was summarized that the quality of cultivated land has a strong relationship with the natural and economic attribute of cultivated land them-selves: the natural quality depends on the landform of cultivated land , the utilizationality depends on the scientificity of plantation structure and the perfection level of water conservancy projects, and the economic quality depends on the location of cultivated land.