Influence of Biologically Active Substances on Key Indicators of the Conditions of Winter Wheat EcocenosisOleksandr Zabolotnyi, Larysa Rozborska, Iryna Leontiuk, Ivan Zhilyak and Anna DatsenkoSHS Web Conf., 100 (2021) 05010DOI: https://doi.org/10.1051/shsconf/202110005010