TY JOUR TI ANALYSIS OF THE INFLUENCE OF THE ENERGY INTENSITY OF TECHNOLOGICAL OPERATION ON OPTIMAL VALUES OF BASIC PARAMETERS OF “BELARUS” TRACTOR KW energy intensity KW aggregate KW optimization KW analysis KW costs KW seasonal KW efficiency JO Vestnik of Kazan State Agrarian University AU Khafizov, K.. AU Khafizov, R.. AU Nurmiev, A.A. PY 2025 IS 20 PB Kazan state agrarian University