Effects of EDTA, EDDS and Citric Acid on Growth of Maize and Uptake of Lead by Maize in Contaminated Soil

被引：3
|
作者：
Cheng, GuoLing [1 ]
Ma, Xiaofeng [1 ]
Sun, XingBin [1 ]
Zhao, Shuqing [1 ]
机构：
[1] NE Forestry Univ, Sch Forestry, Harbin 150040, Peoples R China
来源：
ADVANCED RESEARCH ON MATERIAL SCIENCE AND ENVIRONMENTAL SCIENCE | 2012年 / 534卷
关键词：
EDTA; EDDS; Citric Acid; Lead; Maize; Phytoextraction; PHYTOREMEDIATION; PHYTOEXTRACTION; METALS;
D O I：
10.4028/www.scientific.net/AMR.534.277
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
EDTA, EDDS and citric acid were added to moderate artificial contaminated soil to investigate the effects of the organic acids on growth of maize seedlings and phytoextraction of lead by maize. The results show that the effects of the organic acids on plant growth are different in Pb contaminated soil. The organic acids can change the dry matter distribution of the shoots and the roots and can increase the shoots biomass in most case. EDTA and EDDS can significantly increase the concentrations and uptake of Pb in the shoots of maize, indicate that EDDS is a potential phytoextraction intensifier in phytoremediation of Pb-contaminated soil.
引用
收藏
页码：277 / 280
页数：4
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