Transfer of 40K, 226Ra and 210Pb from soil to plants in various locations of El-Jadida agricultural area (north-western Morocco)Samira El Aouidi, Ayoub Benmhammed, Azzouz Benkdad, Nezha Mejjad, Edit Toth-Bodrogi, Tibor Kovács and Abdelmourhit LaissaouiE3S Web Conf., 314 (2021) 01004DOI: https://doi.org/10.1051/e3sconf/202131401004