| Treatment | AGDBMY (kg ha−1) | Grain yield (kg ha−1) | Harvest index (%) |
| N-rate (kg ha−1) |
|
|
|
| 0 | 8536b | 2069c | 24.23 |
| 46 | 12,746a | 3116a | 24.44 |
| 92 | 11,201a | 2719b | 24.27 |
| 138 | 11,755a | 2925ab | 24.88 |
| LSD (0.05) | 2481.4 | 335.1 | NS |
| Trap crop |
|
|
|
| Fallow | 8883b | 2426b | 26.34 |
| Cowpea | 13,420a | 3157a | 23.52 |
| Soybean | 10,582b | 2660b | 25.13 |
| Desmodium | 11,353ab | 2586b | 22.77 |
| LSD (0.05) | 2481.4 | 335.1 | NS |
| CV (%) | 26.9 | 14.8 | 33.7 |