Agroecological justification of winter wheat fertilization systems in the south-west of the Central Black-soil regionSergey Tyutyunov, Pavel Solntsev, Alexey Stupakov, Marina Kulikova and Al Dhuhaibawi Haider KhalafE3S Web Conf., 175 (2020) 07005DOI: https://doi.org/10.1051/e3sconf/202017507005