| Treatment | NEP |
| plants∙m−1 | |
| Tonik100 | 17.45 ab |
| Tonik200 | 17.62 ab |
| Nodumax | 14.12 e |
| PCoMo | 15.65 d |
| Tonik + Nodumax | 17.24 bc |
| Tonik + PCoMo | 17.92 ab |
| Nodumax + PCoMo | 16.52 cd |
| Tonik + Nodumax + PCoMo | 18.21 a |
| Control | 14.23 e |