| EDTA作用下芥菜型油菜对土壤中Cd·Ni的富集规律 |
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| 引用本文： | 朱桂芬,王学锋,冯颖俊.EDTA作用下芥菜型油菜对土壤中Cd·Ni的富集规律[J].安徽农业科学,2007,35(11):3306-3308. |
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| 作者姓名： | 朱桂芬 王学锋 冯颖俊 |
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| 作者单位： | 河南师范大学化学与环境科学学院,河南省环境污染控制重点实验室,河南新乡,453007 |
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| 基金项目： | 河南省自然科学基金项目(0611012000)，河南省新乡市科技攻关项目(06S049)，河南师范大学支持课题项目(052045) |
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| 摘 要： | 通过盆栽试验,研究了不同生长期的芥菜型油菜在EDTA作用下对cd、Ni的富集规律.结果表明:随着生长期的延长,EDTA处理的油菜地上部和根部中Cd、Ni的浓度极显著地高于对照组,且EDTA对cd迁移的影响明显强于Ni,说明EDTA有助于强化芥菜型油菜对Cd污染土壤的修复作用;对28～63天的6个不同生长期的分析表明,生长49天时2种处理的油菜地上部中总Cd含量均占整个生长期的90%以上,总Ni含量为整个生长期的80%以上,此时收割比较合适.
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| 关 键 词： | 芥菜型油菜 土壤 重金属 |
| 文章编号： | 0517-6611（2007）11-03306-03 |
| 修稿时间： | 2007-01-07 |
Enrichment Rules of Heavy Metals Cd and Ni in Brassica Treated with EDTA |
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| ZHU Gui-fen, et al.Enrichment Rules of Heavy Metals Cd and Ni in Brassica Treated with EDTA[J].Journal of Anhui Agricultural Sciences,2007,35(11):3306-3308. |
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| Authors: | ZHU Gui-fen |
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| Institution: | College of Chemistry and Environment Sciences, Henan Normal University, Xinxiang, Henan 453007 |
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| Abstract: | Pot experiment was conducted to study the enrichment rules of heavy metals Cd and Ni in different growth periods of Brassica juncea treated with EDTA.The results showed that with the growth of Brassica juncea treated with EDTA,the concentration of Cd and Ni was higher than the control group.It was indicated that the transfer effect could be improved by EDTA.After analyzing the 6 different growth periods from 28 d to 63 d,the total Cd content in 49 d in the shoot of Brassica juncea accounted for more than 90 % of the whole growth periods,and Ni content was above 80 %.Therefore,49 d was the appropriate time to harvest Brassica juncea. |
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| Keywords: | Brassica juncea Soil Heavy metals |
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