Proton consumption capacity, ash alkalinity and chemical characterization of travertine from different sources in Rwanda

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dc.contributor.authorSirikare, N.S.
dc.contributor.authorNaramabuye, F.X
dc.contributor.authorMarwa, E.
dc.contributor.authorSemu, Ernest
dc.date.accessioned2016-11-01T05:33:02Z
dc.date.available2016-11-01T05:33:02Z
dc.date.issued2014-08-06
dc.descriptionAfrican Journal of Agriculture ISSN 2375-1134 Vol. 2 (1), pp. 070-075, January, 2015. Available online at www.internationalscholarsjournals.orq © International Scholars Journalsen_US
dc.description.abstractSoil acidification is among the major factors limiting the sustainability of agricultural production systems throughout the world and more specifically in Rwanda. Travertine samples collected from different deposits in Rwanda were examined for their chemical compositions. Calcium oxide (CaO) content, ash alkalinity and protons consumption capacity were determined as potential indicators to predict the efficiency of travertine. The results found revealed that the studied travertine deposits (Rwaza, Mashyuza, Gishyita and Mpenge) in Rwanda had 35 to 71.1 wt% CaO. Magnesium Oxide (MgO) ranged between 3.1 and 12.7 wt%. Travertine had micronutrients CI, Zn, Cu, Mo and Co that can offset deficiency encountered in highly weathered Rwandan acidic soils. In addition, these travertine deposits had higher proton consumption capacity and ash alkalinity as compared to other liming materials. The study revealed positive linear correlations among all the investigated indicators, which could serve as a model for predicting proton consumption capacity and ash alkalinity of any liming material when its pH and CaO content are known. It was recommended that travertine from Rwanda could be used for soil acidity amelioration and a potential zource of micronutrients for agricultural production.en_US
dc.identifier.urihttps://www.suaire.sua.ac.tz/handle/123456789/841
dc.language.isoenen_US
dc.publisherDepartment of Soil Science Sokoine, University of Agriculture, Tanzania.en_US
dc.subjectTravertineen_US
dc.subjectProton consumption capacityen_US
dc.subjectAsh alkalinityen_US
dc.subjectChemical characterizationen_US
dc.subjectSoil acidityen_US
dc.subjectRwandaen_US
dc.titleProton consumption capacity, ash alkalinity and chemical characterization of travertine from different sources in Rwandaen_US
dc.typeArticleen_US
dc.urlhttp://internationalscholarsjournals.org/journal/ajaoas/articles/proton-consumption-capacityen_US

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