N.V. Dorofeev1, A.V. Grecheneva2

1,2 Vladimir State University named after A.G. and N.G. Stoletovs (Vladimir, Russia)

2 Russian State Agrarian University – Moscow Agricultural Academy named after K.A. Timiryazev (Moscow, Russia)

T.D. Solokhov1, A.A. Kochkarov2

1,2 Financial University under the Government of the Russian Federation (Moscow, Russia)