مريم محمد خليفة و عبد السلام محمد المثناني و عائشة رمضان محمد 2019. Evaluation of Fe and Mn movement in soil and potential of castor bean (Ricinus communis L.) for Fe and Mn phytoremediation. Journal of Pure & Applied Sciences . 18, 3 (May 2019). DOI:https://doi.org/10.51984/jopas.v18i3.233.