TY JOUR TI Ecological and toxicological assessment of oil-contaminated soils KW Ilyinsky oil pits KW phytotesting KW phytotoxicity KW soil KW test object KW watercress KW germination KW seedling height KW root length JO Oil and gas technologies and environmental safety AU Melnik, I.. AU Obukhova, O.. AU Vasil'eva, E.. PY 2026 IS 2026 PB Astrakhan State Technical University