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Production and loss of nitrate in Brachiaria humidicola and Panicum maximum in the Sinu river valley

Producción y pérdida de nitrato en Brachiaria humidicola y Panicum maximum en el valle del río Sinú

dc.creatorEspinosa, Manuel
dc.creatorMarrugo, José
dc.creatorHurtado, María
dc.creatorReza, Sony
dc.date2012-06-08
dc.date.accessioned2020-08-04T20:35:30Z
dc.date.available2020-08-04T20:35:30Z
dc.identifierhttp://revista.corpoica.org.co/index.php/revista/article/view/240
dc.identifier10.21930/rcta.vol13_num1_art:240
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/4522
dc.descriptionNitrogen loss, from the nitrification of nitrogen fertilizer, creates pollution through nitrous oxide emissions and nitrate leaching. The reports on Brachiaria as a biological nitrification inhibitor were evaluated to determine nitrate losses of Brachiaria humidicola CIAT 679 (indicator plant for biological nitrification inhibition) and Panicum maximum cv. tanzania (non-inhibiting plant). The incubated soil technique was used for the production of nitrate and for losses of nitrate, ion exchange PRSTM Probes resins were used. The nitrogen treatments were 0, 150 and 300 kg ha-1 per year, the resins were installed at three depths in the soil, laboratory analysis was performed using ultraviolet-visible spectroscopy with a wavelength of 410 nm for nitrate. B. humidicola reduced outputs of nitrate in the soil and the nitrogen doses did not generate variations in production, which showed an effect on the inhibition of nitrification. Nitrate losses were reduced after 18 months in B. humidicola, and P. maximum can avoid nitrate losses with its ability to take nitrogen from the soil in an ammonia form, but does not reduce nitrate production, and does not inhibit nitrification. In cattle pasture soils, B. humidicola can reduce nitrate production and loss. P. maximum with its ability and good response to nitrogenated fertilization could have reduced losses, but failed to reduce nitrate production.  en-US
dc.descriptionLas pérdidas de nitrógeno a partir de la nitrificación de las fertilizaciones nitrogenadas generan contaminación por las emisiones de óxido nitroso y lixiviación de nitrato. Los reportes de Brachiaria como inhibidor biológico de la nitrificación fueron evaluados al determinar las pérdidas de nitrato de Brachiaria humidicola CIAT 679 (planta indicadora de inhibición biológica de nitrificación) y Panicum maximum cv. tanzania (planta no inhibidora). Para la producción de nitrato se empleó la técnica de suelo incubado y para las pérdidas de nitrato se emplearon resinas de intercambio iónico PRSTM Probes. Los tratamientos de fertilización nitrogenada fueron de 0, 150 y 300 kg ha-1 por año; las resinas se instalaron a tres profundidades en el suelo, los análisis de laboratorio se realizaron mediante espectroscopía de ultravioleta visible con longitud de onda de 410 nm para nitrato. B. humidicola redujo las producciones de nitrato en el suelo y las dosis de nitrógeno no generaron variaciones en las producciones, lo que evidenció un efecto en la inhibición de la nitrificación. Las pérdidas de nitrato, se redujeron después de 18 meses en la B. humidicola; y para P. maximum puede evitar las pérdidas de nitrato por su habilidad de tomar el nitrógeno en forma amoniacal del suelo, pero no reduce la producción de nitrato, ya que no inhibe la nitrificación. Los suelos dedicados a la producción ganadera con la pastura B. humidicola pueden reducir las producciones y las pérdidas de nitrato. P. maximum, por su habilidad y buena respuesta a la fertilización nitrogenada pudo reducir las pérdidas, pero no logró reducir las producciones de nitrato.   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/240/267
dc.sourceCiencia y Tecnología Agropecuaria; Vol. 13 No. 1 (2012); 55-61en-US
dc.sourceCiencia & Tecnología Agropecuaria; Vol. 13 Núm. 1 (2012); 55-61es-ES
dc.sourcerevista Corpoica Ciência e Tecnologia Agropecuária; v. 13 n. 1 (2012); 55-61pt-BR
dc.source2500-5308
dc.source0122-8706
dc.source10.21930/rcta.vol13-num1
dc.subjectloss of nitrateen-US
dc.subjectnitrificationen-US
dc.subjectresinsen-US
dc.subjectgrass.en-US
dc.subjectPérdida De Nitratoes-ES
dc.subjectNitrificaciónes-ES
dc.subjectResinases-ES
dc.subjectForrajeses-ES
dc.titleProduction and loss of nitrate in Brachiaria humidicola and Panicum maximum in the Sinu river valleyen-US
dc.titleProducción y pérdida de nitrato en Brachiaria humidicola y Panicum maximum en el valle del río Sinúes-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
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