TY JOUR TI An effective method for managing the production process of grapes using foliar nutrition in arid conditions of the North-Western Caspian KW grapes KW foliar nutrition KW Plantafol KW Boroplus KW productivity KW sugar-acid index. JO Agrarian Bulletin of the AU Polukhina, E.V. AU Vlasenko, M.V. PY 2020 IS 194 PB Ural State Agrarian University