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Effect of nitrogen fertilization on nitrous oxide and methane dynamics in Brachiaria humidicola (Rendle) Schweickerdt

Efecto de la fertilización nitrogenada en la dinámica del óxido nitroso y metano en Brachiaria humidicola (Rendle) Schweickerdt.

dc.creatorPastrana, Iván
dc.creatorReza, Sony
dc.creatorEspinosa, Manuel
dc.creatorSuárez, Emiro
dc.creatorDíaz, Eliecer
dc.date2011-11-23
dc.date.accessioned2020-08-04T20:35:27Z
dc.date.available2020-08-04T20:35:27Z
dc.identifierhttp://revista.corpoica.org.co/index.php/revista/article/view/223
dc.identifier10.21930/rcta.vol12_num2_art:223
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/4510
dc.descriptionLivestock activities cause a significant impact on the environment due to the release of N into the soil, which in turn results in nitrification and the emissions of greenhouse gases (GHG). At Corpoica’s Turipaná Research Center (Cereté, Colombia), we evaluated three different genotypes of B. humidicola (CIAT 16888, CIAT 26159, and CIAT 679) with three levels of nitrogen fertilization application (0, 150, and 300 kg ha-1) in order to determine the flow dynamics of GHG and their relationship to growth and forage production. The results indicated that the best genotype, in terms of production, was CIAT 16888, with an dry matter production of 2,075.32 kg ha-1, a height of 46.87 cm, and leaf/stem ratio of 2.51, with no significant differences with genotype CIAT 679, but with genotype CIAT 26159 (P ≤ 0.05). The flow of GHG (methane and nitrous oxide) increased as the N levels increased, indicating a significant correlation between the grass’s growth and total flows.    en-US
dc.descriptionLas actividades ganaderas causan un impacto significativo en los cambios ambientales, debido a las altas pérdidas de N que promueven procesos de nitrificación y aumento en emisiones de gases efecto invernadero (GEI). En el Centro de Investigación Turipaná de Corpoica (Cereté, Colombia), se evaluaron tres accesiones de B. humidicola (CIAT 16888, CIAT 26159 y CIAT 679) con tres niveles de aplicación de nitrógeno (0, 150 y 300 kg ha-1) con el fin de determinar la dinámica del flujo de gases de efecto invernadero y su relación con el crecimiento y la producción de forraje. Los resultados indicaron que el mejor genotipo, en términos de producción, fue CIAT 16888, con una producción de materia seca 2.075,32 kg ha-1, altura de 46,87 cm y relación hoja/tallo de 2,51, sin diferencias significativas con el genotipo CIAT 679 pero sí con el genotipo CIAT 26159 (P ≤ 0,05). El flujo de gases de efecto invernadero (metano y óxido nitroso) se incrementó con los niveles de N, lo que indica una correlación significativa entre el crecimiento del pasto y los flujos totales.    es-ES
dc.formatapplication/pdf
dc.languagespa
dc.publisherCorporación Colombiana de Investigación Agropecuaria (Agrosavia)es-ES
dc.relationhttp://revista.corpoica.org.co/index.php/revista/article/view/223/230
dc.sourceCiencia y Tecnología Agropecuaria; Vol. 12 No. 2 (2011); 134-142en-US
dc.sourceCiencia & Tecnología Agropecuaria; Vol. 12 Núm. 2 (2011); 134-142es-ES
dc.sourcerevista Corpoica Ciência e Tecnologia Agropecuária; v. 12 n. 2 (2011); 134-142pt-BR
dc.source2500-5308
dc.source0122-8706
dc.source10.21930/rcta.vol12-num2
dc.subjectMethaneen-US
dc.subjectnitrous oxideen-US
dc.subjectB. humidicolaen-US
dc.subjectnitrificationen-US
dc.subjectgreenhouse gases.en-US
dc.subjectMetanoes-ES
dc.subjectÓxido nitrosoes-ES
dc.subjectB. humidicolaes-ES
dc.subjectNitrificaciónes-ES
dc.subjectGases efecto invernaderoes-ES
dc.titleEffect of nitrogen fertilization on nitrous oxide and methane dynamics in Brachiaria humidicola (Rendle) Schweickerdten-US
dc.titleEfecto de la fertilización nitrogenada en la dinámica del óxido nitroso y metano en Brachiaria humidicola (Rendle) Schweickerdt.es-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
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