| 处理 | 产量(kg/667m2) | 比N0±(%) | 显著性测验 | |
| 5% | 1% | |||
| N1 | 661.2 | +13.3 | a | A |
| N2 | 635.0 | +8.8 | b | AB |
| N3 | 610.9 | +4.6 | b | AB |
| N0 | 583.8 | - | c | B |