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Variations in the fate and biological effects of sulfamethoxazole, norfloxacin and doxycycline in different vegetable-soil systems following manure application

文献类型： 外文期刊

作者： Wang, Jianmei 1 ; Lin, Hui 2 ; Sun, Wanchun 2 ; Xia, Yun 2 ; Ma, Junwei 2 ; Fu, Jianrong 2 ; Zhang, Zulin 3 ; Wu, Huizhen 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Qual & Stand Agroprod, State Key Lab Breeding Base Zhejiang Sustainable, Hangzhou 310021, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Environm Resources & Soil Fertilizer Inst, Hangzhou 310021, Zhejiang, Peoples R China

3.James Hutton Inst, Craigiebuckler AB15

关键词： Veterinary antibiotics;Vegetable planting;Bioaccumulation;Antibiotic dissipation;Soil microbial community

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：10.588； 五年影响因子：10.129 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： The fate of sulfamethoxazole (SMZ), norfloxacin (NOR) and doxycycline (DOX) and their biological effects in radish and pakchoi culture systems were investigated. DOX dissipated more rapidly than SMZ and NOR, while radish and pakchoi cultivation increased the removal of residual DOX in soils. Dissipation of NOR was accelerated in radish soils but was slowed down slightly in pakchoi soils. Vegetable cultivation exerted an insignificant effect on SMZ removal. Investigation of antibiotic bioaccumulation showed that the uptake of DOX by radish and pakchoi was undetectable, but the radish accumulated more SMZ and NOR than pakchoi. Among the three antibiotics, only SMZ use exhibited an apparent suspension of plant seed germination, up-ground plant growth and soil microbial diversity. Pakchoi responded more sensitively to SMZ than did the radish. Principal component analysis (PCA) based on MicroRESP (TM) indicated that the sampling time and antibiotic treatments could influence the soil microbial community. Only in the pakchoi soils did antibiotic application exert a more robust effect on the microbial community than the sampling time; SMZ treatments and DOX treatments could be clearly discriminated from the control treatments. These results are crucial for an assessment of the potential risks of antibiotics to culture system practices and suggest that good agricultural practices help to limit or even reduce antibiotic pollution. (C) 2015 Elsevier B.V. All rights reserved.

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