TY JOUR TI Mathematical model of influence of the forest strips on factors of environment and efficiency of the spring-sown field in the steppe Volga region KW drought KW temperature and humidity of air KW evaporability KW rainfall KW forest strips KW design KW wheat KW efficiency KW mathematical model. JO Actual directions of scientific researches of the XXI century: theory and practice AU Mashtakov, D.. AU Proezdov, P.. AU Rozanov, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov