Quality indicators and nitrate accumulation in winter wheat grain when applying fertilizers in conditions of plain irrigated zone of DagestanA.B. Ismailov, A.Sh. Gimbatov, E.K. Omarova, G.A. Alimirzayeva and R.A. RadzhabovE3S Web Conf., 254 (2021) 07007DOI: https://doi.org/10.1051/e3sconf/202125407007