TY JOUR TI Research of various technological methods of application of a biological preparation of LPB on spring wheat KW spring wheat KW biological preparation LPB KW seed treatment KW foliar treatment KW productivity KW nitrogen-transforming microorganisms KW quality. JO Agrarian Bulletin of the AU Rabinovich, G.Y. AU Smirnova, Y.D. AU Fomicheva, N.V. PY 2020 IS 196 PB Ural State Agrarian University