%0 Journal Article %T INFLUENCE OF COPPER-CONTAINING AGROCHEMICAL ON GRAPE PRODUCTIVITY INDICATORS %A Arestova, N.O. %A Ryabchun, I.O. %K grapes (Vitis), copper-containing agrochemical, biological efficiency, productivity, sugar content, acidity of berries, mildew %J Vestnik of Kazan State Agrarian University %D 2023 %N 18 %P 6 %I Kazan state agrarian University