| Symbiotic Nitrogen Fixation in Soil Contaminated with the Veterinary Antibiotics Oxytetracycline and Sulfamethazine | |
Ostermann, Anne1,2; Mortimer, Peter E.2; Huang, Rongcai1; Ma, Lu1; Bu, Dengpan1,3; Xu, Jianchu1,2,4
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| 通讯作者 | Xu, Jianchu(jxu@mail.kib.ac.cn) |
| 2019-07-01 | |
| 发表期刊 | JOURNAL OF ENVIRONMENTAL QUALITY
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| ISSN | 0047-2425 |
| 卷号 | 48期号:4页码:1067-1073 |
| 摘要 | Veterinary and growth-promoting antibiotics are widely used in animal husbandry and accumulate in manure-fertilized soils. However, the impact of these antibiotics on symbiotic nitrogen fixation is poorly understood. We investigated the effect of the veterinary antibiotics oxytetracycline and sulfamethazine, and a combination of both, on nitrogen fixation in alfalfa (Medicago sativa L.) inoculated with Sinorhizobium meliloti. In a pot experiment, M. sativa was grown in soils fertilized with fresh manure that contained environmentally relevant antibiotic concentrations (0.2, 2, and 200 mg kg(-1)). Nodulation, nitrogen fixation, and nutrient concentrations were determined in the alfalfa plants and soils after 12 wk. Compared with the antibiotic-free control, symbiotic nitrogen fixation increased significantly in soils mixed with manure containing 2 and 200 mg kg(-1) oxytetracycline (20.1 and 20.8% increase, respectively) and a mixture of 200 mg kg(-1) oxytetracycline and sulfamethazine (12.4% increase). The measured plant-and soil-related parameters failed to explain the observed increase in nitrogen fixation. However, using concentration levels that accurately reflect common agricultural practices, we obtained results that directly contradict other experiments conducted under unrealistically high antibiotic concentrations. |
| DOI | 10.2134/jeq2019.01.0021 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000474880000031 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.kib.ac.cn/handle/151853/67967 |
| 专题 | 中国科学院东亚植物多样性与生物地理学重点实验室 |
| 通讯作者 | Xu, Jianchu |
| 作者单位 | 1.Chinese Acad Agr Sci, Inst Anim Sci, State Key Lab Anim Nutr, Beijing 100193, Peoples R China 2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China 3.CICAPS, Hunan Coinnovat Ctr Anim Prod Safety, Changsha 410128, Hunan, Peoples R China 4.World Agroforestry Ctr ICRAF, East & Cent Asia Reg Off, Kunming 650201, Yunnan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ostermann, Anne,Mortimer, Peter E.,Huang, Rongcai,et al. Symbiotic Nitrogen Fixation in Soil Contaminated with the Veterinary Antibiotics Oxytetracycline and Sulfamethazine[J]. JOURNAL OF ENVIRONMENTAL QUALITY,2019,48(4):1067-1073. |
| APA | Ostermann, Anne,Mortimer, Peter E.,Huang, Rongcai,Ma, Lu,Bu, Dengpan,&Xu, Jianchu.(2019).Symbiotic Nitrogen Fixation in Soil Contaminated with the Veterinary Antibiotics Oxytetracycline and Sulfamethazine.JOURNAL OF ENVIRONMENTAL QUALITY,48(4),1067-1073. |
| MLA | Ostermann, Anne,et al."Symbiotic Nitrogen Fixation in Soil Contaminated with the Veterinary Antibiotics Oxytetracycline and Sulfamethazine".JOURNAL OF ENVIRONMENTAL QUALITY 48.4(2019):1067-1073. |
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