Analysis of the impact of soil pollution with heavy metals on the ontogenesis of oil crops in arid conditions (using Helianthus annuus L. as an example)Natalia Nazarova, Daria Fedorova, Lyudmila Galaktionova, Nadezhda Terekhova and Alexander YudinBIO Web Conf., 238 (2026) 02009DOI: https://doi.org/10.1051/bioconf/202623802009