TY JOUR TI INCREASING THE EFFICIENCY OF THE USE OF A MACHINE-TRACTOR UNIT WITH A SOIL-WORKING SEEDING COMPLEX KW machine-tractor unit KW soil-cultivating and sowing complex KW power balance KW traction balance of the tractor KW productivity of the machine-tractor unit JO Vestnik of Kazan State Agrarian University AU Gabitov, I.I. AU Mudarisov, S.. AU Akhmetov, A.F. AU Gainullin, I.A. AU Rakhimov, I.R. PY 2022 IS 17 PB Kazan state agrarian University