Ja’afaru, M.I. , Ewansiha, J.U. , Dahiru, A. and Chimbekujwo, K.I. 2020. Microbiological, Physicochemical and Heavy Metals Assessments of Soils and Selected Vegetables Grown on Rumde-Doubeli Irrigated Farmland in Yola Nigeria. Tanzania Journal of Science. 46, 3 (Oct. 2020), 684–699. DOI:https://doi.org/10.4314/tjs.v46i3.10.