| Herbicide | L・ha−1 (p.c.) | Batch |
| Gramocil® | 1.5 | B1 |
| Gramocil® | 02 | B2 |
| Roundup® | 1.25 | B3 |
| Roundup® | 1.5 | B4 |
| Roundup® | 1.875 | B5 |
| No application | 00 | B6 |