Research Article
Assessment of Health Risks in Wheat Crop Irrigated by Manka Canal, Dera Ghazi Khan, Pakistan
Table 5
Comparison of concentrations (mg/kg) of essential and nonessential/toxic metals in reference and in studied soil samples.
| Samples type | Essential elements | Nonessential elements | Cu | Fe | Mn | Zn | Cd | Ni | Pb |
| R2 | 4.26 | 10.83 | 9.98 | 5.85 | 4.07 | 32.97 | 7.39 | Present work (average) | 3.43 ± 1.0 | 10.12 ± 1.2 | 9.57 ± 1.5 | 6.99 ± 4.5 | 1.95 ± 1.0 | 11.27 ± 2.3 | 16.36 ± 3.4 | WHO limit | 36 | 20 | 30 | 50 | 0.8 | 19 | 85 |
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