| Residual P1 | NPP | PL (cm) | NGP |
| 0 | 2.85 b | 21.61 b | 13.30 bc |
| 60 | 4.65 ab | 24.32 a | 15.18 a |
| 70 | 4.55 ab | 23.56 ab | 14.00 ab |
| 80 | 4.98 a | 23.16 ab | 13.60 ab |
| 90 | 4.78 ab | 23.32 ab | 13.80 ab |
| 100 | 4.33 ab | 22.20 ab | 11.90 c |
| CV% | 27.17 | 5.88 | 7.19 |