| Treatment | Yield (Kg)/HA | Unit cost (Kshs) | Total Cost (Kshs) |
| T1 | 6890 | 65 | 447,850 |
| T2 | 5020 | 65 | 326,300 |
| T3 | 5380 | 65 | 349,700 |
| T4 | 4710 | 65 | 306,150 |