| Treatments | 2020 | 2021 | ||||
| Soronko | Asetenapa | Obatanpa | Soronko | Asetenapa | Obatanpa | |
| 0 | 21.6 | 23.4 | 19.7 | 21.8 | 20.4 | 18.1 |
| 30 | 21.9 | 24.4 | 22.9 | 25.0 | 21.3 | 23.2 |
| 45 | 25.8 | 27.0 | 24.3 | 24.3 | 20.6 | 20.9 |
| 60 | 21.9 | 22.o | 27.9 | 27.0 | 19.2 | 22.9 |
| 90 kg N/ha | 22.0 | 22.4 | 26.9 | 27.4 | 23.4 | 20.9 |
| LSD (0.05) |
| 6.60 |
|
| 6.80 |
|