Table 5.
Irrigation Parameters of Groundwater in the Study Area
| Parameters | Range | Class | Number of Samples | % of Samples |
|---|---|---|---|---|
| EC | <250 | Excellent | 15 | 100 |
| 250–750 | Good | 0 | 0 | |
| 750–2000 | Permissible | 0 | 0 | |
| 2000–3000 | Doubtful | 0 | 0 | |
| >3000 | Unsuitable | 0 | 0 | |
| TDS | < 1000 | Fresh | 15 | 100 |
| 1000–10000 | Brackish | 0 | 0 | |
| 10000–100000 | Saline | 0 | 0 | |
| >100000 | Brine | 0 | 0 | |
| SSP | <20 | Excellent | 0 | 0 |
| 20–40 | Good | 0 | 0 | |
| 40–60 | Permissible | 5 | 33 | |
| 60–80 | Doubtful | 9 | 60 | |
| >80 | Unsuitable | 1 | 7 | |
| SAR | 0–10 | Excellent | 15 | 100 |
| 10–18 | Good | 0 | 0 | |
| 18–26 | Permissible | 0 | 0 | |
| >26 | Doubtful | 0 | 0 | |
| MAR | ≤50 | Suitable | 7 | 47 |
| >50 | Unsuitable | 8 | 53 | |
| KR | > 1 | Unsafe | 0 | 0 |
| < 1 | Safe | 15 | 100 |
Abbreviations: SSP, soluble salt percentage; SAR, sodium adsorption ratio; MAR, magnesium adsorption ratio; KR, Kelly ratio.