Assessment of the influence of foliar treatment on productivity and phenolic maturity of grapesSvetlana Levchenko, Sofia Cherviak, Vladimir Boyko, Dmitriy Belash, Elena Ostroukhova and Natalia LutkovaE3S Web Conf., 232 (2021) 03026DOI: https://doi.org/10.1051/e3sconf/202123203026