| Factors | varieties | ||
| Spacing | V1 (Nkatie Sari) | V2 (Sum Nutt 22) | V3 (Yenyawoso) |
| S1 (30 × 15 cm) | S1V1 | S1V2 | S1V3 |
| S2 (30 × 30 cm) | S2V1 | S2V2 | S2V3 |
| S3 (30 × 40 cm) | S3V1 | S3V2 | S3V3 |