Figure 1

Rate of ROL, root activity, and root porosity of Kandelia obovata under individual and different combined stress of Pb, Zn, and Cu. Different lowercase letters indicate significant differences among treatments (P < 0.05).
Rate of ROL, root activity, and root porosity of Kandelia obovata under individual and different combined stress of Pb, Zn, and Cu. Different lowercase letters indicate significant differences among treatments (P < 0.05).