Level, source, and risk assessment of toxic elements in traditional agricultural soils and coping strategies
文献类型： 外文期刊
作者： Yuan, Xuexia 1 ; Gan, Yandong 3 ; Zhang, Yong 4 ; Dong, Bo 5 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Agr Stand & Testing Technol Agriprod, Gongyebei Rd 202, Jinan 250100, Shandong, Peoples R China
2.Shandong Prov Key Lab Test Technol Food Qual & Sa, Gongyebei Rd 202, Jinan 250100, Shandong, Peoples R China
3.Qufu Normal Univ, Sch Life Sci, Qufu, Peoples R China
4.Shandong Inst Terr & Spatial Planning, Erhuandong Rd 5948, Jinan 250014, Peoples R China
5.Gansu Acad Agr Sci, Inst Dryland Agr, Lanzhou, Peoples R China
关键词： Toxic element; Traditional cultivated soil; Source appointment; Risk assessment; Coping strategy
期刊名称：ENVIRONMENTAL MONITORING AND ASSESSMENT （ 影响因子：2.513； 五年影响因子：2.871 ）
ISSN： 0167-6369
年卷期： 2021 年 193 卷 9 期
页码：
收录情况： SCI
摘要： The level, source, and risk of toxic elements in traditional agricultural soils are particularly crucial for the sustainable development of agriculture. An important agricultural production base was selected, a total of 251 topsoil samples were collected, eight toxic elements (As, Cd, Cr, Cu, Hg, Ni, Pb, Zn) in soil were analyzed, and environmental and health risk assessments were conducted. Results showed that all concentrations of eight elements in soil samples were lower than the risk screening values with negligible pollution risk. Approximately 83.8% of Hg in soil was originated from atmospheric deposition related to industrial emissions, 53.2% of Cd was derived from direct industrial activities, and the other elements came from soil parent materials or agricultural activities. Accumulation risk of As in agricultural products, potential ecological risk from Cd, and As's ingestion risk and Cr's dermal contact risk should be paid more attention. More stricter monitoring and coping countermeasures and strategies should be established to ensure the sustainable development of agriculture.
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