Table 2.
Effect of Cellulosimicrobium sp. (NF2) on Cr, Zn and Cu content (µg g−1) and bioaccumulation factor (BAF) of the shoots and roots of alfalfa grown on contaminated soils with Cr(VI), Zn and Cu, respectively. For each metal, values with different letters are significantly different (P < 0.05).
| Treatment | Metal analysed | Metal uptake (µg g−1 of dry weight) |
BAF |
||
|---|---|---|---|---|---|
| Roots | Shoots | Roots | Shoots | ||
| Cr(VI) | Cr | 15.03 a | 6.98 a | 0.301 | 0.140 |
| Cr(VI) + NF2 | Cr | 21.58b | 7.75 a | 0.432 | 0.155 |
| Zn | Zn | 312.05 a | 102.60 a | 0.624 | 0.205 |
| Zn + NF2 | Zn | 428.12b | 144.98b | 0.856 | 0.290 |
| Cu | Cu | 115.27 a | 39.07 a | 0.461 | 0.156 |
| Cu + NF2 | Cu | 177.44b | 60.00b | 0.710 | 0.240 |