TY JOUR TI Productivity and health of brittle willow forest stands in the floodplains of medium and small rivers in the Central Chernozem region KW Salix fragilis KW productivity KW stand age KW stand height KW diameter of trees KW sanitary condition. JO Forestry Engineering Journal AU Gorobets, A.I. PY 2017 IS 6 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov