Browsing by Author "Lema, Meserecordias"

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    Environmental Contamination By Radionuclides And Heavy Metals Through The Application Of Phosphate RocksDuring Farming And Mathematical Modeling Of Their Impacts To The Ecosystem
    (nternational Journal of Engineering Research and General Science, 2014-07) Lema, Meserecordias; Ijumba, Jasper; Njau, Karoli; Ndakidemi, Patrick
    Most of rock phosphates contain radioactive elements and heavy metals because theyoriginate from phosphate deposits. The application of these rock phosphates may result to the transfer of these dangerous materials into the ecosystem. Once these dangerous minerals become readily available for plants uptake and for animal consumptions, negative impacts may prevail, both to plants and animals esp. human beings.This review focuses on the environmental contamination by radioactive elements and heavy metals as a result of the application of rock phosphates during farming and the need to develop a mathematical model that can be used to predictthe associated impacts to the ecosystem.