Comparisons of pollution characteristics, emission situations, and mass loads for heavy metals in the manures of different livestock and poultry in China

Wang-Rong Liu, Dong Zeng, She Lei, Wen-xing SU, Dechun He, Genyi Wu, Xiao-Rui Ma, Shan Jiang, Cai-Hong Jiang, Guang‐Guo Ying