| Treatment | Rate | Application time | TPY | MPY | NPY | |||
| (g・ai・ha−1) | (DAPE) | (t/ha) | (t/ha) | (t/ha) | ||||
| Glyphosate | 60 | 20 | 33.9 | a | 28.3 | a | 5.6 | a |
| 80 | 20 | 29.9 | a | 24.0 | a | 5.9 | a | |
| 100 | 20 | 25.9 | b | 22.7 | a | 3.2 | b | |
| 60 | 20/40 | 36.0 | a | 30.9 | a | 5.1 | a | |
| 80 | 20/40 | 29.9 | a | 25.4 | a | 4.5 | a | |
| 100 | 20/40 | 24.9 | b | 19.9 | b | 5.0 | a | |
| 60 | 20/40/60 | 36.8 | a | 28.0 | a | 8.8 | a | |
| 80 | 20/40/60 | 30.2 | a | 23.5 | a | 6.7 | a | |
| 100 | 20/40/60 | 20.4 | b | 14.3 | b | 6.1 | a | |
| Control | 26.9 | a | 20.6 | a | 6.3 | a | ||