Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China

Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China

Abstract This study investigated contamination status of eight trace elements (As, Cd, Cr, Hg, Pb, Cu, Zn and Ni) in farmland soils and crops at 535 sites across the Xinjiang Uygur Autonomous Region, Northwest China. Land use types of the sampling sites included vegetable patch, grain field and orch...

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Autores principales: Weiguo Liu, Xiaodong Yang, Luchun Duan, Ravi Naidu, Kaihong Yan, Yanju Liu, Xiyuan Wang, Yongchao Gao, Yinguang Chen
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/24d6026cc6044bf98877b65e25740176
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spelling oai:doaj.org-article:24d6026cc6044bf98877b65e257401762021-12-02T10:49:11ZVariability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China10.1038/s41598-021-81764-w2045-2322https://doaj.org/article/24d6026cc6044bf98877b65e257401762021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81764-whttps://doaj.org/toc/2045-2322Abstract This study investigated contamination status of eight trace elements (As, Cd, Cr, Hg, Pb, Cu, Zn and Ni) in farmland soils and crops at 535 sites across the Xinjiang Uygur Autonomous Region, Northwest China. Land use types of the sampling sites included vegetable patch, grain field and orchard. Our experimental results indicated all farmland soils were considered as trace element contamination based on the Nemerow comprehensive pollution index (NCPI > 1). However, 91.97% of the crop samples were uncontaminated according to the Chinese Risk Control Standard. Soils from the vegetable patch showed higher pollution level comparison with that from grain field and orchard. Health risks for both non-carcinogenic and carcinogenic risks were calculated through crop ingestion exposure pathway. Grain samples showed highest health risks, followed by melon and fruit, and vegetables. The health risks of crops were mainly driven by Cr and Cd. Crop consumption may pose risks for children but not adults. The source of trace element contamination in the different farmland soils varied and may be attributed to the different agricultural activities. Plant type had a greater influence on the trace element accumulation in crops compared with soil trace element contents and physicochemical properties.Weiguo LiuXiaodong YangLuchun DuanRavi NaiduKaihong YanYanju LiuXiyuan WangYongchao GaoYinguang ChenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Weiguo Liu
Xiaodong Yang
Luchun Duan
Ravi Naidu
Kaihong Yan
Yanju Liu
Xiyuan Wang
Yongchao Gao
Yinguang Chen
Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China
description Abstract This study investigated contamination status of eight trace elements (As, Cd, Cr, Hg, Pb, Cu, Zn and Ni) in farmland soils and crops at 535 sites across the Xinjiang Uygur Autonomous Region, Northwest China. Land use types of the sampling sites included vegetable patch, grain field and orchard. Our experimental results indicated all farmland soils were considered as trace element contamination based on the Nemerow comprehensive pollution index (NCPI > 1). However, 91.97% of the crop samples were uncontaminated according to the Chinese Risk Control Standard. Soils from the vegetable patch showed higher pollution level comparison with that from grain field and orchard. Health risks for both non-carcinogenic and carcinogenic risks were calculated through crop ingestion exposure pathway. Grain samples showed highest health risks, followed by melon and fruit, and vegetables. The health risks of crops were mainly driven by Cr and Cd. Crop consumption may pose risks for children but not adults. The source of trace element contamination in the different farmland soils varied and may be attributed to the different agricultural activities. Plant type had a greater influence on the trace element accumulation in crops compared with soil trace element contents and physicochemical properties.
format article
author Weiguo Liu
Xiaodong Yang
Luchun Duan
Ravi Naidu
Kaihong Yan
Yanju Liu
Xiyuan Wang
Yongchao Gao
Yinguang Chen
author_facet Weiguo Liu
Xiaodong Yang
Luchun Duan
Ravi Naidu
Kaihong Yan
Yanju Liu
Xiyuan Wang
Yongchao Gao
Yinguang Chen
author_sort Weiguo Liu
title Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China
title_short Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China
title_full Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China
title_fullStr Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China
title_full_unstemmed Variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the Xinjiang Uygur Autonomous Region of northwest China
title_sort variability in plant trace element uptake across different crops, soil contamination levels and soil properties in the xinjiang uygur autonomous region of northwest china
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/24d6026cc6044bf98877b65e25740176
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AT yanjuliu variabilityinplanttraceelementuptakeacrossdifferentcropssoilcontaminationlevelsandsoilpropertiesinthexinjianguygurautonomousregionofnorthwestchina
AT xiyuanwang variabilityinplanttraceelementuptakeacrossdifferentcropssoilcontaminationlevelsandsoilpropertiesinthexinjianguygurautonomousregionofnorthwestchina
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