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Occurrence of trace elements and antibiotics in manure-based fertilizers from the Zhejiang Province of China
- Qian, Mingrong, Wu, Huizhen, Wang, Jianmei, Zhang, Hu, Zhang, Zulin, Zhang, Yongzhi, Lin, Hui, Ma, Junwei
- The Science of the total environment 2016 v.559 pp. 174-181
- agricultural soils, arsenic, cadmium, chromium, copper, enrofloxacin, fertilizers, fluoroquinolones, lead, mercury, risk, sulfonamides, tetracyclines, zinc, China
- The occurrence of seven trace elements and forty three antibiotics was investigated in manure-based fertilizers from the Zhejiang province of China. These trace elements included copper, zinc, arsenic, chromium, mercury, lead and cadmium. The targeted antibiotics included four groups: sulfonamides, tetracyclines, fluoroquinolones and chloramphenicols. The median amounts of copper, zinc, arsenic, chromium, mercury, lead and cadmium in the analyzed samples were 160, 465, 7.9, 21.2, 0.3, 8.1 and 0.6mg·kg−1, respectively. Seventeen antibiotics were detected. Enrofloxacin was the most frequently detected compound, with a detection rate of 39.3% and concentrations ranging from 6.7μg·kg−1 to 4091μg·kg−1. Based on the referred loading rates in agricultural soil, 10% of the collected manure-based fertilizer samples might pose a high potential ecological risk due to the presence of antibiotics.