| Treatment | Maize second year Mean Productivity (t∙ha−1) | |
| AFS | TS | |
| Control | 6.34 bA | 5.76 bB |
| Fertilizer | 9.43 aA | 8.76 aB |
| Biomass | 9.51 aA | 8.96 aB |
| Biomass + fertilizer | 10.25 aA | 8.94 aB |
| F | ** | ** |
| LSD in the columns | 5.74 | 3.71 |
| CV | 0.957 | 0.56 |