Abstract
KEYWORD: Phytoremediation; β-Cyclodextrin; Soil contamination; Lead; Braissca juncea ABSTRACT: Phytoremediation of Pb-contaminated soil was studied with β-cyclodextrin as enhanc- ing agent using Brassica Juncea. Effects of the addition dosage and the addition time of β- cyclodextrin, and Pb concentration in soil on the plant growth were investigated. Plants were culti- vated in an environmental control system. Biomass of all plant was weighed, and Pb concentrations in shoot and root were determined using ICP-MS. The results show that β-cyclodextrin enhance the phytoremediation effect of Pb-contaminated soil, the biomass of Brassica juncea is affected mainly by Pb concentration in soil and the addition time of β-cyclodextrin, and the addition dosage of β- cyclodextrin has the minimum effect.
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