“… Huang et al. (2020) and Xu et al., 2022a , Xu et al., 2022b , 2023) studied soil microplastics in a Xinjiang cotton field and found that the main component of soil microplastics in the Xinjiang cotton field was PE. The amount of microplastics was related to the time of plastic film covering, which was generally 7851 ± 257 n/kg.…”