| Farm-scale income | ||
| Treatments | FCFA | US Dollar |
| Control | 3128663 c | 6257 c |
| Mineral fertilizer | 3611854 b | 7224 b |
| Mucuna | 3688359 b | 7377 b |
| Tithonia | 4227923 a | 8456 a |
| Mucuna + Tithonia | 4260136 a | 8520 a |