| 处理 | 产量(kg/667m2) | 比N0±(%) | 显著性测验 | |
| 5% | 1% | |||
| N1 | 205.2 | +11.3 | a | A |
| N2 | 183.4 | −0.5 | b | B |
| N3 | 181.3 | −1.7 | b | B |
| N0 | 184.4 | - | b | B |