Sulieman Ahmed Gasim El Said, Hatil Hashim EL-Kamali and Sara Ahmed Saad 2021. Analysis of Physico-chemical and Macro Element Concentration in Soils of Six Farmlands in Khartoum State, Central Sudan. Journal of The Faculty of Science and Technology. 7 (Aug. 2021), 117 - 124. DOI:https://doi.org/10.52981/jfst.vi7.964.