| 处理时间(d) | 组别 | pH | 水温(℃) | DO (mg/L) |
| 0 | 供试水样 | 7.43 | 19.6 | 4.7 |
| 22 | CK | 7.97 | 13.7 | 3.5 |
|
| H | 7.90 | 13.7 | 5.1 |
|
| D | 7.88 | 13.7 | 4.1 |
|
| S | 8.70 | 13.7 | 3.7 |