Methodology for soil quality assessment

This methodology has been used to calculate soil quality index. Minimum data set was identified after PCA. Then linear scoring was done to calculate the index.本方法已被应用于土壤质量指数（Soil Quality Index）的计算：先通过主成分分析（Principal Component Analysis，PCA）确定最小数据集（Minimum Data Set），随后采用线性评分法计算得到该指数。