{"id":39283,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/formas-de-fosforo-y-su-liberacion-en-andisoles-de-la-region-central-oriental-de-costa-rica\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"formas-de-fosforo-y-su-liberacion-en-andisoles-de-la-region-central-oriental-de-costa-rica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/formas-de-fosforo-y-su-liberacion-en-andisoles-de-la-region-central-oriental-de-costa-rica\/","title":{"rendered":"Formas de fosforo y su liberacion en andisoles de la region central oriental de costa rica."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Soto Acosta Jos\u00e9 Antonio <\/strong><\/h2>\n<p>En los suelos de la regi\u00f3n central orienral de costa rica, se estudi\u00f3 las formas en que se ha acumulado el p. El potencial de liberaci\u00f3n de las mismas y qu\u00e9 factores del medio las afectan. La altitud afecta las caracter\u00edsticas de los suelos, siendo la abundacia de formas activas del al y fe mayor en las altitudes bajas, lo mismo que el contenido de arcilla materia org\u00e1nica y croma munsell. Los suelos presentan alto contenido total de p debido a la naturaleza del material parental. Una parte significativa del p es org\u00e1nico, adem\u00e1s de a la al\u00f3fana y ferrihidrita. La fracci\u00f3n del p extra\u00edble con naoh esla dominante con 70. se estableci\u00f3 un nivel cr\u00edtico (cate nelson) de p olsen en el suelo de 35 mg kg-1. Los altos valores de p \/lsen y la contribuci\u00f3n del p org\u00e1nico, indican que es posible cultivar muchos de estos suelos por un tiempo prolongado sin necesidad de fertilizar con p.  Para estos suelos, los indicadores del p disponible: p olsen y p extra\u00edble por citrato-bicarbonato est\u00e1n directamente relacionados con el p total desorbible por resina de intercambio ani\u00f3nico en forma de cl-.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Formas de fosforo y su liberacion en andisoles de la region central oriental de costa rica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Formas de fosforo y su liberacion en andisoles de la region central oriental de costa rica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Soto Acosta Jos\u00e9 Antonio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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 Torrent Castellet<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Parra rinc\u00f3n <\/li>\n<li>Rafael Espejo serrano (vocal)<\/li>\n<li>Fernando Gil sotres (vocal)<\/li>\n<li> Sanchez del villar Luis (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Soto Acosta Jos\u00e9 Antonio En los suelos de la regi\u00f3n central orienral de costa rica, se estudi\u00f3 [&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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