Fig. 4
Relationship between different varieties of B. pilosa L. under different treatments of N-NO3- combined with EDDS in the Cd-contaminated soil. Different abbreviations used in the figure are as follow: N-Nitrate: concentration of N-NO3-; FWsh: fresh weight of shoot; FWr: fresh weight of root; DWsh: dry weight of shoot; DWr: dry weight of root; Cdsh: Cd content in shoot; Cdr: Cd content in root; Cd-plant: total amount of Cd accumulated by the plant; Cd-soil: total amount of residual Cd in soil; Lsh: length of shoot; Lr: length of root. The remaining indicators have been mentioned in the earlier table and figure.
