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The dry weight based bioconcentration factor (BCFDW) of pak choi grown in various Cd-contaminated soils for 50 days.
| Treatment | Soil Cd conc. | Shoot Cd conc. | BCFDW * |
|---|---|---|---|
| mg·kg−1 | |||
| Cd-CK | 0.8 ± 0.3 # | 0.7 ± 0.5 | 0.80 |
| Cd-10 | 10.5 ± 0.2 | 38.9 ± 0.8 | 3.96 |
| Cd-20 | 20.1 ± 0.8 | 72.0 ± 0.3 | 3.59 |
# mean ± standard deviation; Replicates (n = 3); * BCFDW = shoot Cd concentration (dry weight based)/soil Cd concentration.
