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Effects of nitrogen fertilization on forage production, animal performance, and greenhouse gas emissions in tropical pastures: A systematic review

2026Artigo científico Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Engenharia do Ambiente
datacite.subject.fosEngenharia e Tecnologia::Biotecnologia Ambiental
datacite.subject.sdg04:Educação de Qualidade
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
datacite.subject.sdg13:Ação Climática
dc.contributor.authorSilva, Hitalo Rodrigues da
dc.contributor.authorDifante, Gelson dos Santos
dc.contributor.authorRoberto, Francisca Fernanda da Silva
dc.contributor.authorFerreira Júnior, Marcos Antônio
dc.contributor.authorAraújo, Carolina Marques Costa
dc.contributor.authorLonghini, Vanessa Zirondi
dc.contributor.authorRodrigues, Jéssica Gomes
dc.contributor.authorPereira, Marislayne de Gusmão
dc.contributor.authorMontagner, Denise Baptaglin
dc.contributor.authorÍtavo, Luís Carlos Vinhas
dc.contributor.authorGurgel, Antônio Leandro Chaves
dc.contributor.authorCastro, Marina
dc.date.accessioned2026-06-03T10:54:38Z
dc.date.available2026-06-03T10:54:38Z
dc.date.issued2026
dc.description.abstractThis systematic review aimed to synthesize evidence on the effects of nitrogen (N) fertilization on forage production, animal performance, and greenhouse gas emissions in tropical pastures. The research question was developed based on the PICOS strategy. A total of 84,629 documents were retrieved from six databases, of which 34 studies met the inclusion criteria due to their methodological robustness. Most studies were conducted under grazing conditions (69.7%), using Brachiaria brizantha (52.9%) and Panicum maximum (26.5%). Urea (53.2%) and ammonium nitrate (25.5%) were the most evaluated N sources, with application rates ranging from 0 to 1000 kg ha⁻¹ , often split into three applications. Nitrogen use increased stocking rate (157.7%), gain per area (189.4%), and average daily gain (31.0%) when application rates rose from 0 to 300 kg ha⁻¹ . Overall, N fertilization has potential to improve forage productivity and animal performance in tropical pastures; however, responses vary depending on rates, sources, and experimental conditions. Splitting N rates (20–60 kg ha⁻¹) and synchronizing applications with plant demand are effective strategies to reduce NH₃ and N₂O losses, enhance fertilizer use efficiency, and mitigate environmental impacts. Future research should focus on evaluating the effects of different N sources and doses on soil CO₂ and CH₄ emissions, enteric CH₄, and C/N dynamics within the soil–plant–animal system, as well as expanding studies to other forage and animal species representative of tropical grazing systems.eng
dc.description.sponsorshipThe authors would like to thank the Federal University of Mato Grosso do Sul, through the Postgraduate Program in Animal Science, the Brazilian Agricultural Research Corporation (Embrapa Gado de Corte), the Coordination for the Improvement of Higher Education Personnel—Brazil (CAPES) - Funding Code 001, the National Council for Scientifc and Technological Development (CNPq), the Foundation for Support to the Development of Education, Science and Technology of the State of Mato Grosso do Sul (FUNDECT) and Polytechnic Institute of Bragança (IPB).
dc.identifier.citationSilva, Hitalo Rodrigues da; Difante, Gelson dos Santos; Roberto, Francisca Fernanda da Silva; Ferreira Júnior, Marcos Antônio; Araújo, Carolina Marques Costa; Longhini, Vanessa Zirondi; Rodrigues, Jéssica Gomes; Pereira, Marislayne de Gusmão; Montagner, Denise Baptaglin; Ítavo, Luís Carlos Vinhas; Gurgel, Antônio Leandro Chaves; Castro, Marina(2026). Effects of nitrogen fertilization on forage production, animal performance, and greenhouse gas emissions in tropical pastures: A systematic review. Agriculture, Ecosystems and Environment. ISSN 0167-8809. 406, p. 1-18
dc.identifier.doi10.1016/j.agee.2026.110401
dc.identifier.issn0167-8809
dc.identifier.urihttp://hdl.handle.net/10198/36833
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.ispartofAgriculture, Ecosystems & Environment
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBrachiaria
dc.subjectCarrying capacity
dc.subjectDirect and indirect emissions
dc.subjectEmission reduction
dc.subjectN fractionation
dc.subjectPanicum
dc.titleEffects of nitrogen fertilization on forage production, animal performance, and greenhouse gas emissions in tropical pastures: A systematic revieweng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage18
oaire.citation.startPage1
oaire.citation.titleAgriculture, Ecosystems and Environment
oaire.citation.volume406
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCastro
person.givenNameMarina
person.identifier2303569
person.identifier.ciencia-id6417-7D8D-FD7E
person.identifier.orcid0000-0002-6368-8098
person.identifier.ridB-5197-2016
person.identifier.scopus-author-id56612728000
relation.isAuthorOfPublicationa7a3b08e-9d22-4faf-9224-36924d8ce7c8
relation.isAuthorOfPublication.latestForDiscoverya7a3b08e-9d22-4faf-9224-36924d8ce7c8

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