| 试验号 | 因素 | 清除率(%) | |||
| A | B | C | D | ||
| 1 | 1 | 1 | 1 | 1 | 70.83 |
| 2 | 1 | 2 | 2 | 2 | 72.54 |
| 3 | 1 | 3 | 3 | 3 | 67.05 |
| 4 | 2 | 1 | 2 | 3 | 72.73 |