Effects of N fertilization on soil chemistry dynamics in Ferralsols of the High Potential Maize Zone, Kenya

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cg.authorship.typesCGIAR and developing country institute
cg.authorship.typesCGIAR and advanced research institute
cg.contributor.affiliationUniversity of Eldoret
cg.contributor.affiliationETH Zurich, Switzerland
cg.contributor.affiliationInternational Institute of Livestock Research
cg.contributor.affiliationUniversity of Bern
cg.contributor.crpClimate Change, Agriculture and Food Security
cg.contributor.donorCGIAR Trust Fund
cg.contributor.initiativeLivestock and Climate
cg.contributor.programAcceleratorClimate Action
cg.contributor.programAcceleratorSustainable Farming
cg.coverage.countryKenya
cg.coverage.iso3166-alpha2KE
cg.coverage.regionAfrica
cg.coverage.regionEastern Africa
cg.creator.identifierAbigael Otinga: 0000-0003-1624-2648
cg.creator.identifierjohan six: 0000-0001-9336-4185
cg.creator.identifierSonja Leitner: 0000-0002-1276-8071
cg.howPublishedFormally Published
cg.identifier.doihttps://doi.org/10.5194/egusphere-egu25-466
cg.reviewStatusPeer Review
cg.subject.actionAreaSystems Transformation
cg.subject.impactAreaEnvironmental health and biodiversity
cg.subject.impactPlatformEnvironmental Health and Biodiversity
cg.subject.sdgSDG 13 - Climate action
cg.subject.sdgSDG 15 - Life on land
dc.contributor.authorOluoch, K.C.
dc.contributor.authorOtinga, A.
dc.contributor.authorNjoroge, R.
dc.contributor.authorMutua, S.
dc.contributor.authorOuma, T.
dc.contributor.authorAgredazywczuk, P.
dc.contributor.authorBarthel, M.
dc.contributor.authorSix, Johan
dc.contributor.authorSonja, Leitner
dc.contributor.authorOduor, Collins
dc.contributor.authorHarris, E.
dc.date.accessioned2025-06-20T11:47:44Z
dc.date.available2025-06-20T11:47:44Z
dc.identifier.urihttps://hdl.handle.net/10568/175215
dc.titleEffects of N fertilization on soil chemistry dynamics in Ferralsols of the High Potential Maize Zone, Kenyaen
dcterms.abstractNitrogen-based inorganic fertilizers have been crucial in crop production globally. For a long time, SSA agriculture has been characterised by low fertilizer use and negative nutrient balances. However, recently fertilizer use has increased drastically. Unfortunately, increased use of synthetic N fertilizers alters soil properties directly and indirectly, and N losses to the ecosystem contribute to environmental degradation and climate change. Limited studies have focused on the effect of increased N application rates on agricultural soils in the tropical highlands. It is crucial to investigate and understand N flows in tropical soils to predict potential ecological impacts of increased synthetic N-fertilizer use while meeting the food demand in SSA.en
dcterms.accessRightsOpen Access
dcterms.audienceAcademics
dcterms.audienceCGIAR
dcterms.audienceDevelopment Practitioners
dcterms.bibliographicCitationOluoch, K.C., Otinga, A., Njoroge, R., Mutua, S., Ouma, T., Agredazywczuk, P., Barthel, M., Six, J., Leitner, S., Oduor, C. and Harris, E. 2025. Effects of N fertilization on soil chemistry dynamics in Ferralsols of the High Potential Maize Zone, Kenya. EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025, EGU25-466. https://doi.org/10.5194/egusphere-egu25-466, 2025.
dcterms.issued2025-03-14
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherInternational Livestock Research Institute
dcterms.subjectnitrous oxide
dcterms.subjectnitrogen
dcterms.subjectgreenhouse gas emissions
dcterms.subjectclimate change
dcterms.subjectmitigation
dcterms.subjectagriculture
dcterms.subjectsoils
dcterms.typePoster

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