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Bashangwa Mpozi, B. (2015) Analyse des contraintes de développement du fruit de la passion au Burundi. Cas de la commune Matongo province Kayanza. XXXes Journées sur le Développement Ethique, entrepreneuriat et développement. Les Cahiers de l’Association Tiers-Monde, No. 30, 191-200.

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• TITLE: Chemical Composition Assessment by Wavelength Dispersive X-Ray Fluorescence of Agricultural Soils in the Mining Town of Moanda, Gabon

  AUTHORS: Albert Novy Messi Me Ndong, Adam Bouraïma, Crislain Bissielou, Jean-Jacques Anguile, Thomas Makani

  KEYWORDS: Metallic Trace Elements, X-Ray Fluorescence, Agricultural Soils

  JOURNAL NAME: Journal of Agricultural Chemistry and Environment, Vol.10 No.3, August 3, 2021

  ABSTRACT: This work focuses on the analysis of the chemical composition of soils dedicated to agriculture in order to assess the impacts of manganese mining activity in the city of Moanda in South-East Gabon. The result of the analysis obtained using wavelength dispersive X-ray fluorescence revealed the presence of twenty-seven elements in the seventeen soil samples collected namely: Na, K, Rb, Mg, Ca, Sr, Ba, Ti, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Cr, Mn, Al, O, C, P, S, Si, I, Ac and Th. Iron (Fe), aluminum (Al) and manganese (Mn) were respectively higher. The practice of agriculture near mining sites is not without risks for the quality of agricultural products and the health of the population.