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Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China
R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu; Wang Y(王洋)
2017
Source PublicationHuman and Ecological Risk Assessment
Volume23Issue:6Pages:1493-1504
AbstractTo investigate heavy metal accumulation in soils and evaluate health risk through maize consumption, a total of 196 soils and 55 maize samples were collected from Yushu, China, one of the most important maize production bases. The mean contents of Cd, Cr, Cu, Zn and Pb were 0.119, 56.51, 19.21, 70.58, and 34.42 mg kg(-1) for soils and were 0.014, 0.68, 1.33, 17.15 and 0.02 mg kg(-1) for maize, respectively. The contents of Cr, Cu, Zn and Pb in all soil and maize samples did not exceed safety thresholds, but the percentages of Cd content above guideline values of Chinese Environmental Quality Standards for Soil and maximum permissible limits for maize were 6.6% and 1.8%, respectively. The spatial distribution and correlation analysis suggested that Cr and Cu in soil were of lithogenic origin, while Zn and Pb were associated with coal combustion exhausts and chemical fertilizer application. The main source of Cd may be phosphate fertilizer application. The average target hazard quotients were all less than 1 and the average hazard index for adults was 0.065, indicating that there was not a potential health risk through maize.
DOI10.1080/10807039.2017.1327800
WOS IDWOS:000407167900015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/7646
Collection湿地与全球变化学科组
Corresponding AuthorWang Y(王洋)
Recommended Citation
GB/T 7714
R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu,Wang Y. Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China[J]. Human and Ecological Risk Assessment,2017,23(6):1493-1504.
APA R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu,&王洋.(2017).Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China.Human and Ecological Risk Assessment,23(6),1493-1504.
MLA R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu,et al."Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China".Human and Ecological Risk Assessment 23.6(2017):1493-1504.
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