[1]赵璇,李新生,赵佐平,等.陕南茶区土壤重金属含量评价分析[J].水土保持研究,2016,23(03):287-290.
　ZHAO Xuan,LI Xinsheng,ZHAO Zuoping,et al.Assessment on Soil Heavy Metal Contents in Tea Plantation in Southern Shaanxi Province[J].Research of Soil and Water Conservation,2016,23(03):287-290.
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陕南茶区土壤重金属含量评价分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年03期 页码: 287-290 栏目: 出版日期: 2016-06-28
Title:
Assessment on Soil Heavy Metal Contents in Tea Plantation in Southern Shaanxi Province
作者:
赵璇1, 李新生1,2,3, 赵佐平1, 郭文伯4, 米桂1, 付静1,2
1. 陕西理工学院, 陕西 汉中 723000;
2. 陕西省资源生物重点实验室, 陕西 汉中 723000;
3. 陕西省黑色有机食品工程技术研究中心, 陕西 汉中 723000;
4. 汉中市茶产业办公室, 陕西 汉中 723000
Author(s):
ZHAO Xuan1, LI Xinsheng1,2,3, ZHAO Zuoping1, Guowen Bo4, MI Gui1, FU Jing1,2
1. Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China;
2. Shaanxi Key Laboratory of Bio-Resource, Hanzhong, Shaanxi 723000, China;
3. Shaanxi Province Black Organic Food Engineering Technology Research Center, Hanzhong, Shaanxi 723000, China;
4. Hanzhong Tea Industry Office, Hanzhong, Shaanxi 723000, China
关键词:
茶区; 土壤; 重金属; 评价分析
Keywords:
tea plantation; soil; heavy metal; assessment
分类号:
X53
摘要:
为了解陕南茶区土壤重金属的含量特征及其污染现状，对陕南汉中的31个茶区进行土壤样品采集，分析了土壤中的Cu，Cd，Cr，Zn和Ni的含量以及土壤pH值。采用单因子指数法、综合指数法以及潜在生态危害指数法对陕南茶区土壤重金属污染进行评价。结果表明：茶区土壤pH值为4.32～6.66，主要呈酸性；Cu，Cd，Cr，Zn和Ni的平均含量分别为23.73 mg/kg，0.00 mg/kg，46.79 mg/kg，102.78 mg/kg和35.17 mg/kg。各重金属含量均符合《土壤环境质量标准》（GB15618—1995）二级土壤标准。以陕西省土壤元素背景值作为评价标准，以单因子指数法、潜在生态危害指数法为评价方法，茶区土壤总体表现为安全清洁，均达到无公害、绿色食品产地环境土壤标准，大部分达到有机标准。
Abstract:
A total of 31 soil samples were colletcted in 31 tea plantations in the southern Shaanxi Province. Concentrations of heavy metals such as Cu, Cd, Cr, Zn and Ni, and the pH of soils, were measured.Single factor index, comprehensive index were used to assess the degree of heavy metal contamination, and the potential ecological risk index method was applied to evaluate the ecological risk of heavy metal contamination of soil in tea plantation. The results showed that the tea plantation soil was mainly acidic with a pH ranging from 4.32 to 6.66, the average concentrations of Cu, Cd, Cr, Zn and Ni were 23.73 mg/kg, 0.00 mg/kg, 46.79 mg/kg, 102.78 mg/kg and 35.17 mg/kg, respectively. Heavy metal concentrations in the tea plantation soil samples were all lower than the heavy metal limit values of the class Ⅱ environmental quality standard for soils in China (GB15618—1995). If the concentrations of soil heavy metals in Shaanxi Province was selected as the standard, it could be seen that the heavy metal pollution in tea plantation soil was generally low and posed low ecological risk, the soils all reached the standards of pollution-free, and most soils conformed to the organic standars.

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备注/Memo

收稿日期:2015-09-19;改回日期:2015-10-30。
基金项目:农业部农业环境重点实验室项目（2015）；汉中市茶叶分析检测技术体系的研究（11JS031）；陕西理工学院人才启动项目（SLGQD13-17）
作者简介:赵璇(1990-),女,陕西略阳人,硕士研究生,研究方向:植物资源学。E-mail:zxmm314@163.com
通讯作者:李新生(1956-),男,湖南衡阳人,教授,研究方向:生物资源开发应用。E-mail:lxs9@tom.com;赵佐平(1982-)男,陕西旬阳,博士,主要从事污染物迁移与调控研究。E-mail:zhaozuoping@126.com

更新日期/Last Update: 1900-01-01