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Current-use pesticides monitoring and ecological risk assessment in vegetable soils at the provincial scale

文献类型： 外文期刊

作者： Zuo, Wei 1 ; Zhao, Yang 1 ; Qi, Peipei 1 ; Zhang, Chunrong 1 ; Zhao, Xueping 1 ; Wu, Shenggan 1 ; An, Xuehua 1 ; Liu, Xinju 1 ; Cheng, Xi 1 ; Yu, Yijun 2 ; Tang, Tao 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, State Key Lab Managing Biot & Chem Threats Qual &, Inst Agroprod Safety & Nutr, Key Lab Pesticide Residue Detect,Minist Agr & Rura, Hangzhou 310021, Peoples R China

2.Zhejiang Cultivated Land Qual & Fertilizer Managem, Hangzhou 310020, Peoples R China

关键词： Soil; Pesticide residue; Spatial distribution; Vegetable type; Ecological risk assessment

期刊名称：ENVIRONMENTAL RESEARCH （ 影响因子：8.3； 五年影响因子：8.2 ）

ISSN： 0013-9351

年卷期： 2024 年 246 卷

页码：

收录情况： SCI

摘要： Pesticides represent one of the largest intentional inputs of potentially hazardous compounds into agricultural soils. However, as an important vegetable producing country, surveys on pesticide residues in soils of vegetable production areas are scarce in China. This study presented the occurrence, spatial distribution, correlation between vegetable types and pesticides, and ecological risk evaluation of 94 current-use pesticides in 184 soil samples from vegetable production areas of Zhejiang province (China). The ecological risks of pesticides to soil biota were evaluated with toxicity exposure ratios (TERs) and risk quotient (RQ). The pesticide concentrations varied largely from below the limit of quantification to 20703.06 mu g/kg (chlorpyrifos). The situation of pesticide residues in Jiaxing is more serious than in other cities. Soils in the vegetable areas are highly diverse in pesticide combinations. Eisenia fetida suffered exposure risk from multiple pesticides. The risk posed by chlorpyrifos, which exhibited the highest RQs at all scenarios, was worrisome. Only a few pesticides accounted for the overall risk of a city, while the other pesticides make little or zero contribution. This work will guide the appropriate use of pesticides and manage soil ecological risks, achieving green agricultural production.

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