Table 5.
Pearson correlation coefficient (r) between soil and plant parameters. Significant level: * p < 0.05, ** p < 0.01, *** p < 0.001; ns: nonsignificant effect.
| r | Shoot Dry Weight | Root Dry Weight | Total Dry Weight | DTPA-Cd | Shoot Cd conc. | Root Cd conc. |
|---|---|---|---|---|---|---|
| Cd added in soil | −0.646 *** | −0.432 ** | −0.635 *** | 0.994 *** | 0.970 *** | 0.977 *** |
| DTPA-Cd | −0.658 *** | −0.428 ** | −0.642 *** | 0.969 *** | 0.971 *** | |
| Shoot Cd conc. | −0.700 *** | −0.480 *** | −0.691 *** | 0.969 *** | 0.948 *** | |
| Root Cd conc. | −0.628 *** | −0.407 ** | −0.613 *** | 0.971 *** | 0.948 *** |