Innovative pneumatic device for combined seeding of various tilled cropsYuri Lachuga, Badri Akhalaya, Yuri Shogenov, Besarion Meskhi, Dmitry Rudoy and Anastasiya OlshevskayaE3S Web Conf., 210 (2020) 08016DOI: https://doi.org/10.1051/e3sconf/202021008016