TY JOUR TI BIOLOGIC AND CHEMICAL PREPARATIONS EFFECT UPON INDICES OF VEGETATION MASS AND POTATO PRODUCTIVITY IN PRIMORSKY REGION KW potatoes KW protective preparation KW tu-bers’ preplanting treatment KW leaf surface KW agrotechnical reception KW yield KW quality JO Bulletin of KSAU AU Lysenko, A.Y. PY 2016 IS PB Krasnoyarsk State Agrarian University