Development and research of seeding devices for selected self-propelled pneumatic seederNikolay Pavlovich Kryuchin, Dmitry Nikolaevich Kotov, Alexander Nikolaevich Andreev and Olga Alexandrovna ArtamonovaBIO Web Conf., 37 (2021) 00092DOI: https://doi.org/10.1051/bioconf/20213700092