The highest Cd-extractions are 264.71 mg/kg (above-ground parts) and 234.39 mg/kg (underground parts),with the average translation coefficient 1.13. It demonstrated the potential of this herb for phytoremediation.

• 当营养液pH值为4.；7；Cd含量为25mg/L时；水葱富集的Cd达到最大值:地上部分264