Table 3.
Cd concentration (mg kg−1) of each fraction-BCR in soils with three levels of contamination.
| Contamination level | Strain | Acid-soluble | Reducible | Oxidizable | Residual |
|---|---|---|---|---|---|
| Low | JLS17 | 3.822 a | 0.227 ab | 0.053 b | 0.183 b |
| JLS32 | 3.817 a | 0.192 b | 0.054 b | 0.205 ab | |
| JLS50 | 3.682 b | 0.224 ab | 0.052 b | 0.207 ab | |
| YTG72 | 3.718 b | 0.222 ab | 0.055 b | 0.191 ab | |
| CK | 3.665 b | 0.235 a | 0.062 a | 0.212 a | |
| Medium | JLS17 | 5.961 a | 0.367 a | 0.081 c | 0.204 b |
| JLS32 | 5.971 a | 0.359 a | 0.081 c | 0.232 b | |
| JLS50 | 5.968 a | 0.302 b | 0.073 c | 0.296 a | |
| YTG72 | 5.843 b | 0.312 b | 0.095 b | 0.287 a | |
| CK | 5.772 b | 0.367 a | 0.113 a | 0.295 a | |
| High | JLS17 | 8.955 b | 0.549 a | 0.170 bc | 0.273 b |
| JLS32 | 9.230 a | 0.417 c | 0.168 bc | 0.244 c | |
| JLS50 | 9.166 a | 0.441 c | 0.178 ab | 0.254 c | |
| YTG72 | 8.999 b | 0.489 b | 0.164 bc | 0.284 b | |
| CK | 8.981 b | 0.522 a | 0.186 a | 0.308 a |
Mean values denoted by the same letter in columns indicate no significant difference according to Duncan's test at p < 0.05.