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Assessment of heavy metal enrichment and degree of contamination around the copper-nickel mine in the Selebi Phikwe Region, Eastern Botswana
(Horizon Research Publishing Cooperation, 2013)
This paper focuses on heavy metal (Co, Cu, Fe, Pb, Mn, Ni and Zn) enrichment and degree of contamination in the soils windward of the Selebi Phikwe copper and nickel mine (eastern Botswana). Pollution by these metals was ...
Preliminary investigation of transfer of metals from soil to vegetables: Case study of Spinacia oleracea L.
(Academic Journals, 2016-09)
The objective of the study was to measure concentrations of Cu, Ni and Zn in Spinacia oleracea cultivated at a site near the copper and nickel mine in Selebi Phikwe. The mean concentrations (in dry matter-basis) of Cu, Zn ...
Health risk assessment of heavy metals via dietary intake of vegetables irrigated with treated wastewater around Gaborone, Botswana
(International Conference on Plant, Marine and Environmental Sciences, 2015-01)
Heavy metal concentrations of Cd, Cr, Cu, Ni, Pb and Zn in green peppers (Capsicum annuum) and tomatoes (Solanum lycopersicum) irrigated with treated wastewater from the Glen Valley farms were determined. Concentrations ...