Microbiological quality of grain cultivated in the North Caucasus region in 2019 Tatiana Gagkaeva, Olga Gavrilova, Aleksandra Orina, Aleksey Burkin and Khаron Khusaynov BIO Web Conf., 27 (2020) 00151 Published online: 25 November 2020 DOI: 10.1051/bioconf/20202700151