{"id":117452,"date":"2015-08-05T00:00:00","date_gmt":"2015-08-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nitrification-inhibitors-mitigation-of-greenhouse-gases-emissions-and-agronomic-implications\/"},"modified":"2015-08-05T00:00:00","modified_gmt":"2015-08-05T00:00:00","slug":"nitrification-inhibitors-mitigation-of-greenhouse-gases-emissions-and-agronomic-implications","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisiologia-vegetal\/nitrification-inhibitors-mitigation-of-greenhouse-gases-emissions-and-agronomic-implications\/","title":{"rendered":"Nitrification inhibitors: mitigation of greenhouse gases emissions and agronomic implications"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Enith Ximena Huerfano Salinas <\/strong><\/h2>\n<p>La baja eficiencia de la fertilizaci\u00c2\u00bfn nitrogenada por parte de los cultivos hace que su aplicaci\u00c2\u00bfn genere problemas medioambientales entre los cuales se encuentra la lixiviaci\u00c2\u00bfn de nitrato y la emisi\u00c2\u00bfn de gases de efecto invernadero como el n2o. En el suelo los principales procesos implicados en la producci\u00c2\u00bfn de n2o son la nitrificaci\u00c2\u00bfn y la desnitrificaci\u00c2\u00bfn, los cuales se llevan a cabo por microorganismos cuya actividad metab\u00c2\u00bflica est\u00c2\u00bf determinada por factores ambientales y por las propiedades fisicoqu\u00c2\u00bfmicas de los suelos. Con el fin de disminuir las p\u00c2\u00bfrdidas del nitr\u00c2\u00bfgeno aplicado en la fertilizaci\u00c2\u00bfn, se han desarrollado compuestos inhibidores de la nitrificaci\u00c2\u00bfn (ins), tales como el 3,4-dimetilpirazol fosfato (dmpp) y el 3,4-dimetilpirazol succ\u00c2\u00bfnico (dmpsa). En este trabajo se observ\u00c2\u00bf que el potencial de calentamiento global ocasionado por la emisi\u00c2\u00bfn de gases de efecto invernadero (n2o, co2 y ch4) fue 3-5 veces superior en el tr\u00c2\u00bfpico (sabana de bogot\u00c2\u00bf) que en clima mediterr\u00c2\u00bfneo h\u00c2\u00bfmedo (\u00c2\u00bflava) y que el factor de emisi\u00c2\u00bfn de n2o se situaba en este \u00c2\u00bfltimo caso por debajo del valor establecido por defecto por el ipcc. Los ins permitieron reducir las emisiones de n2o generadas por los fertilizantes nitrosultafo am\u00c2\u00bfnico o sulfato am\u00c2\u00bfnico en los cultivos de trigo y praderas, lleg\u00c2\u00bfndose incluso a los niveles del control sin fertilizar. Si bien la adici\u00c2\u00bfn de ins no caus\u00c2\u00bf efecto ni en la producci\u00c2\u00bfn ni en la calidad de estos cultivos, cuando el dmpp se utiliz\u00c2\u00bf en lechuga se registr\u00c2\u00bf un efecto positivo al reducir el contenido de nitrato en la hoja. Aunque el fraccionamiento de la fertilizaci\u00c2\u00bfn aumenta el contenido de prote\u00c2\u00bfna en el grano de trigo, la aplicaci\u00c2\u00bfn de la fertilizaci\u00c2\u00bfn nitrogenada con ins en un \u00c2\u00bfnico aporte permiti\u00c2\u00bf reducir las emisiones de n2o manteniendo la producci\u00c2\u00bfn, demostrando ser una estrategia de manejo prometedora<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nitrification inhibitors: mitigation of greenhouse gases emissions and agronomic implications<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nitrification inhibitors: mitigation of greenhouse gases emissions and agronomic implications <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Enith Ximena Huerfano Salinas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/05\/2015<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jos\u00e9 Mar\u00eda Estavillo Aurre<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Mar\u00eda Becerril soto <\/li>\n<li>Antonio Vallejo Garc\u00eda (vocal)<\/li>\n<li>pedro Mar\u00eda Aparicio tejo (vocal)<\/li>\n<li>cristina Cruz houghton (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Enith Ximena Huerfano Salinas La baja eficiencia de la fertilizaci\u00c2\u00bfn nitrogenada por parte de los cultivos hace [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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