TY JOUR TI On some models of optimization of crop production under conditions of biological risks KW Biological risks KW mathematical model KW optimization KW agriculture KW region JO Modeling of systems and processes AU Barsukova, M.N. AU Ivano, Y.. AU Kolokol'ceva, I.M. PY 2022 IS 15 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov