TY JOUR TI THE SYSTEM OF RADIATION FOR VEGETATIVE INSTALLATION KW system of ‘feed-vegetation unit’ KW the ratio of minimum irradiance KW method of calculation of irradiating installations KW energy efficiency JO Bulletin of KSAU AU Dolgikh, P.P. AU Samoylov, M.V. PY 2016 IS PB Krasnoyarsk State Agrarian University