指标 |
| C | F4 | F8 | F12 | F16 | F20 | F24 |
初始值 (mg·L−1) | N | 1.65 ± 0.13 | 1.65 ± 0.13 | 1.65 ± 0.13 | 1.65 ± 0.13 | 1.65 ± 0.13 | 1.65 ± 0.13 | 1.65 ± 0.13 |
P | 0.14 ± 0.02 | 0.14 ± 0.02 | 0.14 ± 0.02 | 0.14 ± 0.02 | 0.14 ± 0.02 | 0.14 ± 0.02 | 0.14 ± 0.02 | |
末值 (mg·L−1) | N | 9.23 ± 1.41a | 8.86 ± 1.21a | 7.33 ± 1.01b | 6.42 ± 0.98c | 6.23 ± 1.10c | 6.03 ± 1.22c | 6.13 ± 1.41c |
P | 0.65 ± 0.04a | 0.62 ± 0.02a | 0.53 ± 0.03b | 0.47 ± 0.05bc | 0.43 ± 0.02c | 0.45 ± 0.05c | 0.40 ± 0.03c |