TY JOUR TI Conceptual approaches to optimization of ecology of agroecosystems in the conditions of the raised anthropogenous loading KW agricultural KW human pressure KW the concept of optimization KW sunflower KW wayside KW sugar beets JO Actual directions of scientific researches of the XXI century: theory and practice AU Vysotskaya, E.. AU Molodykh, Y.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov