The efficiency of rhizobia use in the soybean cultivation on chernozem of the Western CiscaucasiaVyacheslav Lucomets, Vladimir Tilba, Nikolay Tishkov, Vasily Makhonin and Margarita ShkarupaE3S Web of Conf., 222 (2020) 02039DOI: https://doi.org/10.1051/e3sconf/202022202039