| Salinity levels EC (dS∙m−1) | Classification | K+ (%) | Per cent Decrease over Control |
| Control (2.16) | Non-saline | 0.7333 | - |
| 4.00 | Saline | 0.6500 | 11.36 |
| 6.00 | Slightly saline | 0.4733 | 35.46 |
| 8.00 | Moderately saline | 0.4133 | 43.64 |
| 10.00 | Highly saline | 0.3533 | 51.83 |
| S. E. D. | 0.1192 | ||
| L. S. D. | 0.2655* | ||