Influence of the organic farming system on the composition of Bastardo Magarachskiy grape cultivar as a raw material for production of winesElena Stranishevskaya, Elena Ostroukhova, Irina Peskova, Svetlana Levchenko, Elena Matveikina and Nadezda ShaduraE3S Web Conf., 161 (2020) 01070DOI: https://doi.org/10.1051/e3sconf/202016101070