| 土壤因子 | CCA1 | CCA2 |
| PH | 0.3473 | −0.4822 |
| AN | 0.1628 | 0.2162 |
| AP | 0.2552 | −0.1499 |
| AK | 0.3887 | 0.2449 |
| OM | 0.2120 | 0.2701 |
| TN | 0.1578 | 0.1029 |
| TP | −0.0545 | −0.2216 |
| TK | −0.2214 | −0.1318 |
| EC | 0.4568 | 0.1481 |
| CEC | 0.0116 | 0.2293 |
| ST | −0.1004 | −0.0166 |