Heavy metal contaminations in a soil–rice system: Identification of spatial dependence in relation to soil properties of paddy fields

Zhao, Keli; Liu, Xingmei; Xu, Jianming; Selim, H. M.

doi:10.1016/j.jhazmat.2010.05.081

Cited by 380 publications

(157 citation statements)

References 39 publications

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“…As this survey was done across a wide range of different locations it is expected that the soil properties, which affect the availability and uptake of metals from soils, will be different at different sites. Soil pH has been identified as an important factor in cadmium accumulation in plants (Adams et al, 2004;Zheng et al, 2011;Zhao et al, 2010;Ding et al, 2013Liu et al, 2015. For example, Liu et al (2015) demonstrated that wheat varieties accumulated more cadmium in acidic soils compared to alkaline soils.…”

Section: Discussionmentioning

confidence: 99%

“…For example, Liu et al (2015) demonstrated that wheat varieties accumulated more cadmium in acidic soils compared to alkaline soils. Other important soil factors include organic carbon content, cation exchange capacity, and clay content, as well as the oxide content of Fe, Al, and Mn (Zheng et al, 2011;Zhao et al, 2010;Ding et al, 2013;). As these factors would vary across the different sampling locations, this may be a reason for the lack of correlations between soil and plant heavy metal concentration.…”

Section: Discussionmentioning

confidence: 99%

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Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Norton

Deacon

Mestrot

et al. 2015

Science of The Total Environment

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. (2015). Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK. The Science of the total environment, 533, 520-527. DOI: 10.1016DOI: 10. /j.scitotenv.2015 Published in: The Science of the total environment Document Version: Peer reviewed version Queen's University Belfast -Research Portal: Link to publication record in Queen's University Belfast Research Portal Publisher rights © 2015 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ which permits distribution and reproduction for non-commercial purposes, provided the author and source are cited. General rightsCopyright for the publications made accessible via the Queen's University Belfast Research Portal is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. AbstractCadmium and lead were determined in fruit and vegetable produce (~1,300 samples) collected from a field and market basket study of locally grown produce from the South-West of Britain (Devon and Cornwall). These were compared with similarly locally grown produce from the North-East of Britain (Aberdeenshire). The concentrations of cadmium and lead in the market basket produce were compared to the maximum levels (ML) set by the European Union (EU). For cadmium 0.2% of the samples exceeded the ML, and 0.6% of the samples exceeded the ML for lead. The location of cadmium and lead in potatoes was performed using laser ablation ICP-MS. All tested samples exhibited higher lead concentrations, and most exhibited increased concentrations of cadmium in the potato skin compared to the flesh. The concentrations of cadmium and lead found in fruits and vegetables sampled during this study do not increase concern about risk to human health.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Norton

Deacon

Mestrot

et al. 2015

Science of The Total Environment

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“…Soil properties and features have been shown to alter crop effects of heavy metals (Zhao et al, 2010).…”

Section: Heavy Metals In Farmland Soilsmentioning

confidence: 99%

Impacts of soil and water pollution on food safety and health risks in China

Lü

Shi

Wang

et al. 2015

Environment International

924

318

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Tieyu. 2015. Impacts of soil and water pollution on food safety and health risks in China. Copyright © 2015 Elsevier B.V.This version available http://nora.nerc.ac.uk/509736/ NERC has developed NORA to enable users to access research outputs wholly or partially funded by NERC. Copyright and other rights for material on this site are retained by the rights owners. Users should read the terms and conditions of use of this material at http://nora.nerc.ac.uk/policies.html#access NOTICE: this is the author's version of a work that was accepted for publication in Environment International. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Environment International, 77. 5-15. 10.1016International, 77. 5-15. 10. /j.envint.2014 www.elsevier.com/ Contact CEH NORA team at noraceh@ceh.ac.ukThe NERC and CEH trademarks and logos ('the Trademarks') are registered trademarks of NERC in the UK and other countries, and may not be used without the prior written consent of the Trademark owner. Impacts of Soil and Water Pollution on Food Safety and Health Risks in China AbstractEnvironmental pollution and food safety are two of the most important issues of our time. Soil and water pollution, in particular, have historically impacted on food safety which represents an important threat to human health. Nowhere has that situation been more complex and challenging than in China, where a combination of pollution and an increasing food safety risk have affected a large part of the population. Water scarcity, pesticide over-application, and chemical pollutants are considered to be the most important factors impacting on food safety in China. Inadequate quantity and quality of surface water resources in China have led to the long-term use of waste-water irrigation to fulfill the water requirements for agricultural production. In some regions this has caused serious agricultural land and food pollution, especially for heavy metals. It is important, therefore, that issues threatening food safety such as combined pesticide residues and heavy metal pollution are addressed to reduce risks to human health. The increasing negative effects on food safety from water and soil pollution have put more people at risk of carcinogenic diseases, potentially contributing to 'cancer villages' which appear to correlate strongly with the main food producing areas. Currently in China, food safety policies are not integrated with soil and water pollution management policies. Here, a comprehensive map of both soil and water pollution threats to food safety in China is presented and integrated policies addressing soil and water pollution for achieving food safety are suggested to provide a holistic approach.

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“…Rice produced under these circumstances has been shown to have greater accumulation of Cd and as a consequence consumption of this 'tainted' rice results in much greater exposure to Cd (Simmons et al, 2005;Meharg et al, 2013). In southern China, for example in Guangdong, the dominant soils are acidic and of low organic carbon content; here, Cd is more mobile, has higher bioavailability and is more readily accumulated into rice grain (Zhao et al, 2010). A survey conducted in Youxian, in Hunan province (southern China), indicated that 73% of rice grain samples obtained from mine impacted paddy soils exceeded the Chinese national food standard for Cd; of 0.2 mg/kg (Wang et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Modest amendment of sewage sludge biochar to reduce the accumulation of cadmium into rice(Oryza sativa L.): A field study

Zhang

Chen

Liao

et al. 2016

Environmental Pollution

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Heavy metal contaminations in a soil–rice system: Identification of spatial dependence in relation to soil properties of paddy fields

Cited by 380 publications

References 39 publications

Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Impacts of soil and water pollution on food safety and health risks in China

Modest amendment of sewage sludge biochar to reduce the accumulation of cadmium into rice(Oryza sativa L.): A field study

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