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The effects of oxytetracycline (OTC) on soil organisms have been studied using a multi-species-soil system (MS·3). Oxytetracycline concentrations of 0.01mg/kg, 1mg/kg and 100mg/kg soil were added to the 20cm top arable soil layer, with and without horse/cow manure (0.15g organic N/kg soil) co-addition. No mortality was observed for Eisenia foetida S. but significant effects on soil microbial enzymatic...
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