TY JOUR TI INFLUENCE OF ORGANOMINERAL SUSPENSIONS AND ITS NANO-ANALOGUES ON THE STRUCTURAL ELEMENTS OF OAT CROP KW sapropel KW biohumus KW nanosuspensions KW seed and plant treatment KW crop structure JO Vestnik of Kazan State Agrarian University AU Suhanova, I.M. AU Gazizov, R.R. AU Ilyasov, M.. AU Bikkinina, L.M. PY 2019 IS 14 PB Kazan state agrarian University