{"id":54925,"date":"2006-06-10T00:00:00","date_gmt":"2006-06-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-del-laboreo-en-el-desarrollo-del-sistema-radicular-del-trigo-habas-garbanzos-y-girasol-en-un-vertisol-de-secano\/"},"modified":"2006-06-10T00:00:00","modified_gmt":"2006-06-10T00:00:00","slug":"efecto-del-laboreo-en-el-desarrollo-del-sistema-radicular-del-trigo-habas-garbanzos-y-girasol-en-un-vertisol-de-secano","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/produccion-de-cultivos\/efecto-del-laboreo-en-el-desarrollo-del-sistema-radicular-del-trigo-habas-garbanzos-y-girasol-en-un-vertisol-de-secano\/","title":{"rendered":"Efecto del laboreo en el desarrollo del sistema radicular del trigo, habas, garbanzos y girasol en un vertisol de secano"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jorge Benitez Vega <\/strong><\/h2>\n<p>En el seno de un experimento de larga duraci\u00f3n, iniciado en 1986 en c\u00f3rdoba sobre un suelo vertisol en condiciones de secano mediterr\u00e1neas, se llevaron a cabo 4 experimentos durante un periodo de 2 a\u00f1os (2003-2004 y 2004-2005) para determinar el efecto del sistema de laboreo (no laboreo -nl- y laboreo convencional -lc-) sobre el desarrollo del sistema radicular del trigo (triticum aestivum l), habas (vicia faba l.), Garbanzos (cicer arietinum l.) Y girasol (helianthus annus l.), As\u00ed como sobre el aporte de biomasa y n radicular al suelo por parte de dichos cultivos, cuantificando la contribuci\u00f3n de n derivado de la fijaci\u00f3n atmosf\u00e9rica y rizodeposici\u00f3n de las leguminosas.  el sistema radicular fue estudiado mediante los m\u00e9todos de extracci\u00f3n de suelo y posterior lavado manual y mediante la observaci\u00f3n directa de las ra\u00edces a trav\u00e9s de tubos minirhizotron. La fijaci\u00f3n de n2 fue calculada mediante los m\u00e9todos de enriquecimiento con 15n y abundancia natural de 15n mediante alimentaci\u00f3n foliar en garbanzos e inyecci\u00f3n en tallo en las habas. Las diferencias en la precipitaci\u00f3n registrada entre a\u00f1os influyeron en la mayor\u00eda de los par\u00e1metros estudiados. El nl increment\u00f3 el rendimiento de grano de todos los cultivos, especialmente en el a\u00f1o m\u00e1s seco. El sistema de laboreo no influy\u00f3 significativamente en los par\u00e1metros radiculares, pero el nl tendi\u00f3 a incrementar los valores en el a\u00f1o m\u00e1s seco. Las ra\u00edces del trigo, girasol, garbanzos y habas presentaron en floraci\u00f3n una biomasa media de 1163, 1162, 404 y 596 kg ha-1 respectivamente, que supuso un aporte potencial de 12, 24.5, 11.5 y 15 kg n ha-1 respectivamente. Densidad, longitud y di\u00e1metro radicular fueron los par\u00e1metros que mejor describieron el comportamiento de las ra\u00edces. Escasas correlaciones fueron encontradas entre los datos del lavado manual y minirhizotron.  el porcentaje de n derivado del aire (nda) vari\u00f3 entre 46.2 y 71% en garbanzo y entre 68.7 y 91.4% en las habas seg\u00fa<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto del laboreo en el desarrollo del sistema radicular del trigo, habas, garbanzos y girasol en un vertisol de secano<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto del laboreo en el desarrollo del sistema radicular del trigo, habas, garbanzos y girasol en un vertisol de secano <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jorge Benitez Vega <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/10\/2006<\/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>bellido Garrido L\u00f3pez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: leopoldo Olea m\u00e1rquez de prado <\/li>\n<li>ram\u00f3n Redondo ortega (vocal)<\/li>\n<li>Juan  enrique Castillo garcia (vocal)<\/li>\n<li>Juan Dom\u00ednguez gim\u00e9nez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jorge Benitez Vega En el seno de un experimento de larga duraci\u00f3n, iniciado en 1986 en c\u00f3rdoba [&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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