TY JOUR TI Distribution of phytopatogens on spring grain crops in the Ural region KW phytopathogens KW areas of distribution KW brown rust KW grain crops KW spring wheat KW fungicides KW microbiological preparations KW productivity KW biological efficiency JO Agrarian Bulletin of the AU Kekalo, A.Y. AU Zargaryan, N.Y. AU Nemchenko, V.V. PY 2022 IS 226 PB Ural State Agrarian University