TY JOUR TI CORRELATION OF PARAMETERS OF POPLAR LEAF APPARATUS IN CONDITIONS OF URBAN LANDING KW poplar KW lamina KW chard KW linear parameters KW correlation KW regression. JO Vestnik of Kazan State Agrarian University AU Besschetnov, P.V. AU Besschetnova, N.. PY 2018 IS 13 PB Kazan state agrarian University