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题名: Accumulation and bioavailability of copper and nickel in wheat plants grown in contaminated soils from the oasis, northwest China
作者: Wang, SL(王胜利); Nan, ZR(南忠仁); Liu, XW; Li, Y; Qin, S; Ding, HX
收录类别: SCIE ; EI ; BIOSIS
出版日期: 2009-09-15
刊名: GEODERMA
卷号: 152, 期号:3-4, 页码:290-295
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: This paper studied the accumulation and bioavailability of copper and nickel in wheat plants grown in contaminated soils from the oasis, northwest China. The concentrations of Cu and Ni in studied soils were all more than Cu and Ni limit of grade II soil environmental quality standards in China; furthermore the concentration of Cu in soil S5 and the concentrations of Ni in soil S1, S3, 55, and S6 exceeded grade III soil environmental quality standards in China. Among eight extractants, the extractable Cu concentrations in soils generally followed the descending order EDTA > Citric acid > NH4Ac > NH4NO3 > MgCl2 approximate to Tartaric acid > Acetic acid > Oxalic acid. The extraction capacity of Ni was as follow: Citric acid > EDTA > NH4Ac > tartaric acid > NH4NO3 approximate to Acetic acid approximate to Oxalic acid > MgCl2. The sequences of Ni average concentrations in different parts of the wheat plant were roots > leaves > shells > stocks > grains; the sequences of Cu average concentrations in different parts were also roots > leaves > shells > grains > stocks. Soil studied is not fit to plant the wheat crops for human consumption; soils studied posed high potential health risk for human health through food chains. Average Bio-concentration factor (BCF) and translocation factor (TF) of Cu in different parts of wheat plants were greater than those of Ni. The process of Cu and Ni uptake and accumulation by wheat plants were probably linked to the concentrations of available copper and nickel in the oasis soils, physical and chemical parameters of soils, and different parts of wheat plants. Citric acid and NH4Ac extraction procedures provided a good indication of Cu bioavailability among nine kinds of evaluation methods. (C) 2009 Elsevier B.V. All rights reserved.
关键词: Copper ; Nickel ; Accumulation ; Bioavailability ; Single extraction procedure ; Wheat
作者部门: [Wang, Shengli ; Nan, Zhongren ; Liu, Xiaowen ; Li, Yuan ; Qin, Song ; Ding, Haixia] Lanzhou Univ, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Gansu, Peoples R China
通讯作者: Nan, ZR (reprint author), Lanzhou Univ, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Gansu, Peoples R China.
学科分类: Agriculture
文章类型: Article
所属项目编号: National Natural Science Foundation of China [40671167] ; National Environmental Protection Commonwealth Project of China [200809098] ; National Key Basic Research Program of China [2008CB417212] ; Foundation of Key Laboratory of Western China's Environmental Systems (Ministry of Education) in Lanzhou University
所属项目名称: 国家自然科学基金项目 ; 国家重点基础研究发展计划以及国家重大科学研究计划(973计划)
项目资助者: NSFC ; MOST ; MOE ; LZU
语种: 英语
DOI: 10.1016/j.geoderma.2009.06.012
ISSN号: 0016-7061
WOS记录号: WOS:000270078600011
EI记录号: 20093412266501
BIOSIS记录号: BIOSIS:PREV200900620204
第一机构:
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/119887
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Wang, SL,Nan, ZR,Liu, XW,et al. Accumulation and bioavailability of copper and nickel in wheat plants grown in contaminated soils from the oasis, northwest China[J]. GEODERMA,2009,152(3-4):290-295.
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