| level of pollutant | pH | OM (mg∙kg−1) | Total Cd (mg∙kg−1) | Cd effective state (mg∙kg−1) |
| L-Cd | 7.53 | 23.59 | 7.43 | 3.62 |
| M-Cd | 7.58 | 29.51 | 42.23 | 11.04 |
| H-Cd | 7.57 | 37.33 | 94.2 | 67.53 |