The impacts of oxytetracycline on humification during manure composting can be alleviated by adjusting initial moisture contents as illustrated by NMR oleh Yao FENG, Gui-zhen WANG, Yuan-wang LIU, Deng-miao CHENG, Shuang-hu FAN, Quan-sheng ZHAO, Jianming XUE, Shu-qing ZHANG, Zhao-jun LI