TY JOUR TI SUBSTANTIATION OF PARAMETERS OF A ROTARY IMPLEMENT FOR SURFACE TREATMENT OF SOIL WITH INCLINED HEXAGONAL DISC KW tillage tool KW hexagonal discs KW diameter KW tilt angle KW design parameters. JO Vestnik of Kazan State Agrarian University AU Yakhin, S.M. AU Aliakberov, I.I. AU Vakhitov, A.R. PY 2023 IS 17 PB Kazan state agrarian University