TY JOUR TI EVALUATION OF THE EFFECTIVENESS OF PRE-SOWING TREATMENT OF SEEDS AND CROPS WITH BIOLOGICALLY ACTIVE SUBSTANCES ON SPRING WHEAT IN THE CONDITIONS OF KAMA REGION OF THE REPUBLIC OF TATARSTAN KW spring wheat (Triticum aestivum L) KW varieties KW seed treatment KW fertilizers KW plant spraying KW yield KW grain quality JO Vestnik of Kazan State Agrarian University AU Amirov, M.F. AU Safiullin, A.Y. AU Gilyazov, M.. AU Zakharov, V.G. AU Kadyrova, F.Z. PY 2023 IS 18 PB Kazan state agrarian University