The choice of land gradation factors is a basic job in land gradation,the reasonability of which is directly related to objectivity and practicability of the gradation results.
土地定级因素因子的选择合理与否关系到整个定级成果的客观性和实用性。
With the example of farmland grading in Shanhaiguan district under Qinhuangdao City, Hebei Province, this paper illustrates processes and methods of factors on farmland grading in terms of factor selection, classification of grading units, point-giving to factors, calculation of total points and classification of grades.
以河北省秦皇岛市山海关区的耕地定级为例,从选择定级因素因子、划分定级单元、因素因子赋值、计算总分值以及划分农用地级别,介绍了农用地因素法定级的方法和步骤。
The choice of land gradation factors is closely related to the objectivity and practical results.
能否合理的选择土地定级因素因子与定级成果的客观性和合理性有着很重要的关系。