| Treatments | Months after sowing | ||||
| 1 | 2 | 3 | 4 | 5 | |
| 1.0 m apart | 54.31 | 62.15 | 82.15 | 100.64 | 113.13 |
| 1.5 m“ | 56.50 | 73.76 | 90.73 | 120.11 | 121.79 |
| 2.0 m“ | 60.00 | 80.87 | 102.51 | 130.22 | 133.12 |
| 2.5 m“ | 63.95 | 90.56 | 116.06 | 148.65 | 150.72 |
| 3.0 m“ | 77.74 | 133.55 | 202.29 | 284.00 | 263.05 |
| Control | 66.95 | 100.44 | 162.09 | 110.64 | 115.05 |
| LSD (p < 0.05) | 4.58 | 22.14 | 22.14 | 41.06 | 43.49 |