Table 1.
Cr content and pollution index of rhizosphere soils.
Field | Species | Soil Cr Content (mg·kg−1) | Pi |
---|---|---|---|
F1 | Rice | 593.29 ± 209.54 b,c | 2.37 |
C1 | Carrot | 400.89 ± 16.93 b–d | 2.67 |
Taro | 381.39 ± 11.02 b–d | 2.54 | |
Radish | 338.05 ± 15.89 c,d | 2.25 | |
Cabbage | 414.04 ± 22.45 b–d | 2.76 | |
Chinese cabbage | 665.36 ± 63.80 b | 4.44 | |
C2 | Water spinach | 3883.77 ± 224.89 a | 25.89 |
Edamame bean | 3883.77 ± 224.89 a | 25.89 | |
C3 | Lettuce | 223.27 ± 8.18 c,d | 1.12 |
Mustard | 182.78 ± 11.62 d | 1.22 |
Note: Data are average of three replicates ± SD. The different letters in the same column mean a significant difference at p < 0.05.