Table 7 Comparison of metal concentrations in the soil, water and fruit samples
Metal | Concentration range in soil (mg/kg) | Concentration range in water (mg/L) | Concentration range in fruit (mg/kg edible part) | Accumulation factor from soil to water | Accumulation factor from water to fruit |
|---|---|---|---|---|---|
Na | 51.8–211 | 12.8–29.0 | 6.40–10.6 | 0.137 | 0.366 |
K | 5020–9070 | 11.1–24.3 | 1220–3480 | 0.00268 | 143 |
Ca | 7900–16,500 | 22.0–38.4 | 75.0–554 | 0.00233 | 14.4 |
Mg | 5600–8400 | 5.80–17.4 | 60.0–281 | 0.00207 | 16.1 |
Fe | 26,800–61,200 | 0.032–0.709 | 2.5–5.6 | 0.0000438 | 7.90 |
Cu | 17.3–32.7 | 0.011–0.066 | 0.3–2.6 | 0.00202 | 39.4 |
Zn | 111–128 | <0.001–0.184 | 1.2–2.3 | 0.00144 | 12.5 |
Mn | 2300–2950 | 0.053–0.125 | 0.3–4.8 | 0.0000424 | 38.4 |
Cd | 2.5–6.2 | <0.0001–0.0091 | <0.1–0.3 | 0.00147 | 33.0 |
Pb | 15–32 | – | – | – | – |