Evaluation of Cd,Cu,Zn and Pb Contents in Vegetable Soils Around Dongting Lake

HE Fei-fei; ZENG Jiang-bing; ZHAO Zhong-tao; YANG Jun

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Evaluation of Cd,Cu,Zn and Pb Contents in Vegetable Soils Around Dongting Lake

- Evaluation of Cd,Cu,Zn and Pb Contents in Vegetable Soils Around Dongting Lake
- Bulletin of Soiland Water Conservation Vol. 31, Issue 6, Pages: 235-239(2012)
- 作者机构：
  
  1. 湖南农业大学生物科学技术学院
  2. 湖南省计量检测研究院
  3. 湖南农业大学资源环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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HE Fei-fei, ZENG Jiang-bing, ZHAO Zhong-tao, et al. Evaluation of Cd,Cu,Zn and Pb Contents in Vegetable Soils Around Dongting Lake[J]. Bulletin of Soiland Water Conservation, 2012, 31(6): 235-239.
DOI：

HE Fei-fei, ZENG Jiang-bing, ZHAO Zhong-tao, et al. Evaluation of Cd,Cu,Zn and Pb Contents in Vegetable Soils Around Dongting Lake[J]. Bulletin of Soiland Water Conservation, 2012, 31(6): 235-239. DOI：

摘要

采用单项污染指数和综合污染指数法对湖南洞庭湖区典型蔬菜土壤Cd

Pb含量状况进行了评价。结果表明

与湖南省潮土土壤背景值相比

土壤Cd

Cu和Zn含量明显富集

Pb含量总体不高。与国家土壤质量二级标准(GB15618-1995)相比

洞庭湖区蔬菜土壤以Cd污染为主

其次是Zn和Cu。Pb含量没有超标

其中湘阴县、沅江市、资阳区和赫山区蔬菜土壤环境质量为轻度污染

华容县处于警戒水平

需要修复治理或者改变土地利用方式。君山区和南县蔬菜土壤为清洁水平

适宜发展无公害蔬菜。污染风险高的区域土壤Cd

Cu和Zn之间存在极显著或显著正相关关系

但相关性弱。

Abstract

The contents and potential pollution risks of Cd

Zn and Pb were studied in vegetable soil around Dongting Lake in Hu′nan Province.The results showed that the contents of Cd

Cu and Zn in top soil were higher than the background values

while Pb contents were lower.With single pollution index and comprehensive pollution index

the ascending order of the risks of heavy mental pollution was CdZnCu in vegetable soils.Pollution of Pb was not found in the whole study area.Based on the pollution index and comprehensive pollution index of soil heavy metals

the vegetable soil of Xiangyin County

Yuanjiang District

Ziyang District and Haoshan District belonged to polluted soil

and the soil of Huarong County exhibited warning pollution level

requiring immediate remediation or change in the pattern of land use.By contrast

the soils collected from Junshan District and Nanxian County were almost free to pollution

suitable for the cultivation of green vegetables.The relationship of soil Cd

Cu and Zn content was significantly positive

while the coefficients were low.

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