Effects of combined microplastic and cadmium pollution on sorghum growth, Cd accumulation, and rhizosphere microbial functions oleh Li-Yang Duan, Yu Zhang, Yu-Ying Li, Xiao-Qi Li, Yong-Qi Liu, B. Larry Li, Chuan-Yu Ding, Xue-Min Ren, Peng-Fei Duan, Hui Han, Zhao-Jin Chen