Table 5 Heavy metals mean concentration for selected herbaceous plants. Concentrations of heavy metals contained in selected common plants. Data have been reported together with correlation coefficients in Figure 3.
From: Common plants as alternative analytical tools to monitor heavy metals in soil
| Â | Urtica dioica L. | |||
|---|---|---|---|---|
Pb | Mean concentration (ppm) | Standard Deviation | ||
| Â | Soil | Leaves | Soil | Leaves |
SA1 | 708.7 | 24.7 | 180 | 4.7 |
SA2 | 759 | 21 | 272.2 | 2 |
SA3 | 399 | 14.3 | 169.2 | 1.5 |
SA4 | 225.3 | 12.7 | 71.1 | 1.5 |
SA5 | 178.7 | 10.3 | 37 | 1.5 |
| Â | Taraxacum officinale L. | |||
Cu | Mean concentration (ppm) | Standard Deviation | ||
| Â | Soil | Leaves | Soil | Leaves |
SA1 | 131 | 46 | 5 | 9.5 |
SA2 | 134 | 42 | 15.6 | 3 |
SA3 | 121.3 | 36.7 | 29.7 | 2.5 |
SA4 | 85 | 24.3 | 37.7 | 1.5 |
SA5 | 63.7 | 16.3 | 36.8 | 7.1 |
| Â | Plantago major L. | |||
Mn | Mean concentration (ppm) | Standard Deviation | ||
| Â | Soil | Leaves | Soil | Leaves |
SA1 | 656.7 | 55.3 | 104.7 | 26.8 |
SA2 | 591 | 28 | 121 | 6.6 |
SA3 | 647.3 | 48.3 | 118.4 | 21.8 |
SA4 | 660 | 66.3 | 140 | 22.4 |
SA5 | 582 | 30.3 | 150.3 | 6.4 |
| Â | Trifolium pratense L. | |||
Cu | Mean concentration (ppm) | Standard Deviation | ||
| Â | Soil | Leaves | Soil | Leaves |
SA1 | 126.6 | 43 | 33.6 | 34 |
SA2 | 102.4 | 37.7 | 33.6 | 19 |
SA3 | 67.7 | 16.7 | 13.7 | 6.6 |
SA4 | 72.3 | 23.1 | 29.3 | 5.9 |
SA5 | 42.3 | 16.4 | 6.6 | 4.6 |
| Â | Trifolium pratense L. | |||
Pb | Mean concentration (ppm) | Standard Deviation | ||
| Â | Soil | Leaves | Soil | Leaves |
SA1 | 970.7 | 11 | 242.7 | 4.6 |
SA2 | 990 | 10.3 | 330.3 | 4.7 |
SA3 | 418.3 | 8 | 159.1 | 3.6 |
SA4 | 204.7 | 4 | 127.8 | 0.1 |
SA5 | 105.3 | 4 | 23.4 | 2.8 |