TY JOUR TI Use of the universal characteristic of the tire for determination of the maximum pressure of the wheel propeller on the soil KW agricultural tractor KW pneumatic wheel KW tire KW vertical load KW internal air pressure KW maximum contact pressure JO Actual directions of scientific researches of the XXI century: theory and practice AU Lavrov, A.. AU Rusanov, A.. AU Soloveychik, A.. AU Shevtsov, V.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov