| Incubation Days | Available potassium (me/100g) | ||
| Control | Conventional fertilizer | Nano Fertilizer | |
| K-nf | |||
| 0 | 0.19 | 1.06 | 1.51 |
| 15 | 0.12 | 0.82 | 1.33 |
| 30 | 0.09 | 0.48 | 0.70 |