| Forage grass species | Fertilizer type | Fertilizer rate per harvest (kg N∙ha−1) |
| Brachiaria brizantha cv. Xaraes | Control (Control) | 0 |
| Legume intercropping (Lablab) | - | |
| Farmyard manure (FYM) | 45 | |
| Farmyard manure + 10% biochar (FYM-BC) | 45 | |
| Manure bioslurry (Bioslurry) | 45 | |
| Mineral NPK fertilizer (NPK) | 45 |