Students Students Jinrui Zhang Jinrui Zhang is a Ph.D. student at China Agricultural University (CAU). He mainly conducts research on nitrogen effects of soil microplastics by conducting laboratory and field experiments. He has extensive experience in the determination and identification of microplastics in environmental media. Email: b20203030244@cau.edu.cn Siyang Ren Siyang Ren is a Ph.D. student at Bangor University and CAU. She is currently conducting research into various sources of microplastics (MPs) in farmland soil by model simulation (i.e. material flow analysis, MFA). She has a fund of knowledge and experience in data analysis, mapping software, and household surveys. Email: syr21yvt@bangor.ac.uk Jingjing Li Jingjing Li is a Masters student at CAU. She mainly conducts collection of atmospheric dry/wet deposition samples and extraction of microplastics from dust and rainfall. She has made qualitative and quantitative analysis of atmospheric microplastics in Quzhou, Baoding, Beijing and other places. Email: SY20213030434@cau.edu.cn Ce Liang Ce Liang is a Masters student at CAU. He mainly conducts research on nitrogen effects of soil microplastics by field experiments. Email: SY20203030462@cau.edu.cn Chengtao Wen Chengtao Wen is a postgraduate student at CAU. She is currently conducting research into farmers’ technology adoption behaviour and its influencing factors. She has extensive knowledge and experience in data analysis, questionnaire design, and household surveys. Email:wenchengtao@cau.edu.cn Xin’er Shi Xin’er Shi is a Ph.D student at CAU. She mainly conducts research on agricultural environmental economic policy. She has extensive experience in data analysis. Email:615268919@qq.com Shitong Li Shitong Li is a Ph.D. student at Shenyang Agricultural University (SYAU). She mainly conducts research on the occurrence and ecological risks of macro- and micro-plastics by conducting field experiments. She has extensive experience in the determination and identification of macro- and microplastics in farmland soil, and published a paper titled as “Macro-and microplastic accumulation in soil after 32 years of plastic film mulching” in Environment Pollution in 2021. Email: syausoillst@163.com Dai Jizhao Dai Jizhao is a Masters student at SYAU. He is mainly engaged in research on the quantity and spatial distribution of plastic film residues in Chinese farmland. He has rich experience in data collection, plastic film degradation and residue accumulation. Email: daijizhao1998@163.com Zhao Tao Zhao Tao is a Masters student at SYAU. She mainly conducts research on the carbon cycle of biodegradable mulches by conducting laboratory and field experiments. She has extensive experience in the film degradation characteristics, soil carbon pool components, and soil microbial determination. Email: taozhao85@163.com Hao Zhang Hao Zhang is a Ph.D. student at Northwest A&F University. He is currently conducting research on nitrogen transformations in farmland plastic film mulch cultivation using field experiments and laboratory culture experiments. He has extensive experience in field experiments, data analysis, and related software use. Email: zhanghao0903zh@163.com