施药剂量 | 施药次数 | 采样间隔天数(d) | 残留量mg·Kg−1 | 消解率% | 备注 |
1500 ml·hm−2 (常规) | 1 | 2 h | 1.69 | - |
|
1 d | 1.28 | 24.26 |
| ||
3 d | 0.84 | 50.29 |
| ||
5 d | 0.38 | 77.51 |
| ||
7 d | 0.01 | 99.40 |
| ||
9 d | ND | - |
| ||
3000 ml·hm−2 (超标1倍) | 2 h | 2.12 | - |
| |
1 d | 1.44 | 32.08 |
| ||
3 d | 0.90 | 57.55 |
| ||
5d | 0.46 | 78.30 |
| ||
7 d | 0.04 | 98.11 |
| ||
9 d | ND | - |
|