Repairing Effect of Hemerocallis fulva on Cd,Pb,Zn Single Pollution in Soil

doi:10.14088/j.cnki.issn0439-8114.2018.06.008

Abstract

Abstract: Using pot experiment,the repairing effect of Hemerocallis fulva on Cd,Pb,Zn in soil under different concentrations of heavy metals. The results showed that aboveground biomass of H. fulva was increased within a certain heavy metal content range in soil; The low concentration of heavy metals（Cd≤20 mg/kg,Pb≤1 000 mg/kg, Zn≤1 000 mg/kg） promoted the enrichment of Cd,Pb,Zn in H. fulva leaves,and the specific performance showed Cd>Zn>Pb; With heavy metal concentration increasing,the transfer coefficient of Cd,Pb,Zn decreased,and the specific performance showed Pb>Cd>Zn; The low concentration of heavy metal （Cd≤5 mg/kg,Pb≤1 000 mg/kg,Zn≤1 000 mg/kg） improved the repair efficiency of H. fulva on Cd,Pb,Zn in soil,and the specific performance showed Pb>Cd>Zn. It suggested that H. fulva was good for low concentrations of Cd,Pb,Zn in soil.

Key words: Hemerocallis fulva, heavy metal pollution, enrichment coefficients, transfer coefficients, repairing effect

CLC Number:

Q948.116

WANG Shuo, LI De-sheng, WANG Jing, CHAO Zhuo-xi, ZHANG Cai. Repairing Effect of Hemerocallis fulva on Cd,Pb,Zn Single Pollution in Soil[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(6): 35-38.

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