TY JOUR TI EXPERIMENTAL STUDIES OF THE HEATING TEMPERATURE OF THE GREENHOUSE RADIATOR INSTALLATIONS KW sodium irradiators KW induction irradiators KW LED irradiators KW heating temperature JO Vestnik of Kazan State Agrarian University AU Kondrat'eva, N.P. AU Filatov, D.A. AU Terent'ev, P.V. AU Ziganshin, B.G. PY 2020 IS 15 PB Kazan state agrarian University