| 编号 | 模拟的土壤镉含量(mg/kg) | 花生壳生物炭添加(g/kg) |
| CK-O | 0 | 0 |
| O(1) | 0 | 5 |
| O(2) | 0 | 10 |
| O(3) | 0 | 20 |
| O(4) | 0 | 40 |
| CK-L | 2.5 | 0 |
| L(1) | 2.5 | 5 |
| L(2) | 2.5 | 10 |
| L(3) | 2.5 | 20 |
| L(4) | 2.5 | 40 |
| CK-H | 5 | 0 |
| H(1) | 5 | 5 |
| H(2) | 5 | 10 |
| H(3) | 5 | 20 |
| H(4) | 5 | 40 |