| 指标 | 因子1 | 因子2 | 因子3 | 因子4 | 因子5 | 因子6 | 因子7 | 因子8 | 因子9 | 因子10 |
| Index | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor 5 | Factor 6 | Factor 7 | Factor 8 | Factor 9 | Factor 10 |
| 铜Cu | −0.047 | 0.448 | 0.073 | −0.172 | −0.150 | −0.303 | −0.038 | 0.165 | 0.064 | 0.216 |
| 铁Fe | 0.340 | −0.015 | −0.096 | 0.005 | 0.019 | 0.061 | 0.099 | −0.010 | −0.007 | −0.085 |
| 镁Mg | −0.014 | 0.003 | −0.019 | 0.101 | 0.052 | 0.059 | 0.942 | −0.011 | 0.011 | −0.059 |
| 锰Mn | 0.919 | −0.174 | 0.037 | −0.089 | −0.152 | −0.157 | −0.117 | 0.097 | 0.176 | 0.019 |
| 钠Na | 0.050 | −0.098 | 0.124 | 0.070 | −0.039 | 0.901 | 0.005 | −0.041 | 0.053 | −0.004 |
| 钛Ti | 0.363 | −0.064 | −0.044 | −0.023 | 0.030 | 0.149 | 0.033 | −0.109 | −0.065 | −0.149 |
| 锌Zn | −0.102 | 0.030 | −0.016 | −0.057 | 0.014 | −0.049 | −0.030 | −0.031 | 0.040 | 0.995 |
| pH | 0.008 | 0.019 | 0.050 | 0.015 | 0.054 | −0.033 | −0.011 | 0.959 | −0.014 | −0.035 |
| 碱解氮Alkaline hydrolyzable nitrogen | −0.057 | 0.081 | −0.126 | −0.170 | 0.977 | −0.053 | 0.063 | 0.055 | −0.017 | 0.020 |
| 全磷Total P | 0.059 | 0.164 | 0.258 | 0.235 | 0.156 | 0.294 | −0.215 | 0.105 | −0.070 | −0.097 |
| 速效磷Available P | −0.064 | −0.018 | 0.943 | −0.218 | −0.119 | 0.057 | 0.059 | 0.044 | 0.026 | −0.033 |
| 全钾Total K | −0.108 | 0.923 | −0.119 | 0.147 | 0.149 | 0.068 | 0.028 | −0.108 | 0.071 | −0.071 |
| 速效钾Available K | −0.071 | 0.079 | −0.242 | 0.953 | −0.140 | 0.078 | 0.136 | 0.006 | −0.035 | −0.086 |
| 有机质Organic matter | 0.080 | −0.293 | 0.358 | 0.055 | −0.079 | −0.168 | −0.103 | −0.072 | 0.085 | 0.210 |
| 氯离子Chlorion | 0.051 | 0.079 | 0.036 | −0.022 | −0.014 | 0.040 | 0.015 | −0.008 | 0.991 | 0.040 |
| 方差贡献 Variance contribution | 19.426 | 11.484 | 9.223 | 8.516 | 7.478 | 7.406 | 7.085 | 7.007 | 6.932 | 6.858 |
| 累计贡献 Cumulative contribution | 19.426 | 30.910 | 40.133 | 48.649 | 56.127 | 63.533 | 70.618 | 77.625 | 84.557 | 91.415 |