Study of the influence of the oncoming flow of soil on the screw surface of a subsoilerIlshat Mukhametshin, Ayrat Valiev, Alexey Aleshkin, Ravil Ibyatov and Farzutdin MuhamadyarovBIO Web Conf., 17 (2020) 00118DOI: https://doi.org/10.1051/bioconf/20201700118