TY JOUR TI KW нефтяное загрязнение KW чернозем типичный KW чернозем оподзоленный KW фитотоксичность KW mineral oil pollution KW typical chernozem KW podzolized chernozem KW phytotoxicity JO Herald of Technological University AU Koltsova, T.G. AU Sungatullina, L.M. AU Grigoryan, L.M. AU Petrov, A.M. PY 2025 IS 17 PB Kazan National Research Technological University