The concentration levels of heavy metals in food crops (maize and mung beans) grown in the neighbourhood of Minjingu Phosphate mine were analyzed using EDXRF. The metal concentrations in both food crops followed the following pattern Fe > Zn > Cu > Cd > Cr > Pb >...
Open access
Research Article10.9734/CSJI/2017/31476
Advancement of science and technology has enhanced the use of chemical products, such as fertilizer and pesticides, into agriculture to improve yield. Normally, these products contain metals which are detrimental to human health. These metals may be absorbed by plants and hence b...
Open access
Research Article10.9734/BJAST/2015/17548
Several plants in Tanzania are known to be of potential therapeutic value and are used in traditional medicine system of the country. In this paper, two medicinal plants Moringa oleifera (leaves and roots), and Hibiscus sabsdariffa (rosella calyces) were analysed for elemental co...
Open access
Research Article10.9734/CSJI/2017/31963
In this study samples of soil and water from different villages in the Bahi wetlands were analyzed for radioactivity levels of 226Ra, 232Th and 40K using gamma ray spectrometry. The mean activity concentration of 226Ra, 232Th and 40K in soil were found to be highest in the northe...
Open access
Research Article10.9734/IRJPAC/2015/17747