Table 1.
Cadmium (Cd) content of lettuce leaves obtained by atomic absorption spectrophotometer (AAS) (mg/kg).
| Groups | CK | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| Number | 10 | 15 | 15 | 15 | 15 |
| Min | 0 | 28.4 | 58.2 | 202 | 221 |
| Max | 0.004 | 81.3 | 98.9 | 352 | 492 |
| Mean | 0.001 | 43.9 | 69.8 | 287 | 318 |
| S.D. | 0.003 | 22.8 | 7.14 | 37.3 | 64.0 |
Note: Group CK means the group for control check (CK) and represents 0 µM Cd stress; Group 1 represents 10 µM Cd stress; Group 2 represents 30 µM Cd stress; Group3 represents 60 µM Cd stress; Group 4 represents 100 µM Cd stress. These expressions apply to the full text. “S.D.” means standard deviation.