{"id":133318,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/transformacion-de-fertilizantes-fosfatados-en-suelos-de-campinas-andaluzas\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"transformacion-de-fertilizantes-fosfatados-en-suelos-de-campinas-andaluzas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/transformacion-de-fertilizantes-fosfatados-en-suelos-de-campinas-andaluzas\/","title":{"rendered":"Transformacion de fertilizantes fosfatados en suelos de campi\u00f1as andaluzas."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Castro Meza Blanca Idalia <\/strong><\/h2>\n<p>Se estudio, en laboratorio, la disponibilidad del fosforo en 24 suelos por diversos extractantes (olsen, colwell e intercambio isotopico), despues de la incubacion a distintos tiempos y dosis de adicion. Se considero fosfato monocalcico en polvo y granulos de superfosfato simple y fosfato diamonico. La disponibilidad del fosfato monocalcico disminuyo marcadamente con el tiempo de incubacion y dosis. No existe correlacion clara entre la recuperacion por intercambio isotopico y las propiedades del suelo; en cambio por olsen o colwell disminuye con el incremento en arcilla y oxidos de hierro y aumenta con carbonatos y caliza activa. Una cantidad significativa del fosforo aplicado como fosfato monocalcico no se recupero, probablemente por oclusion en los oxidos de hierro. La disponibilidad depende del tipo de fertilizante y dosis de adicion y su perdida ocurre en suelos con actividad del agua tan baja como 0.8. Se confirma la posible formacion del fosfato octocalcico en suelos con altas dosis de fertilizante. La intercambiabilidad isotopica aumenta con el incremento de superficies adsorbentes (arcilla, oxidos de hierro y aluminio), frente a la superficie de los carbonatos que inducen precipitacion de fosfatos de calcio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Transformacion de fertilizantes fosfatados en suelos de campi\u00f1as andaluzas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Transformacion de fertilizantes fosfatados en suelos de campi\u00f1as andaluzas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Castro Meza Blanca Idalia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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> Madrid Sanchez Del Villar Luis (vocal)<\/li>\n<li>Rafael Espejo Serrano (vocal)<\/li>\n<li>Pedro Gonzalez Fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Castro Meza Blanca Idalia Se estudio, en laboratorio, la disponibilidad del fosforo en 24 suelos por diversos [&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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