{"id":3903,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/simulacion-de-danos-de-granizo-en-girasol-helianthus-annuus-l\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"simulacion-de-danos-de-granizo-en-girasol-helianthus-annuus-l","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/simulacion-de-danos-de-granizo-en-girasol-helianthus-annuus-l\/","title":{"rendered":"Simulacion de da\u00f1os de granizo en girasol (helianthus annuus l.)"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Hierro Zarzuelo Jes\u00fas Del <\/strong><\/h2>\n<p>En la tesis se recoge una descripcion detallada de los da\u00f1os que el granizo ocasiona. Se describe una nueva tecnica de simulacion mecanica de da\u00f1os capaz de provocar los mismos efectos que el granizo, que consiste en la proyeccion de agua a alta presion sobre el cultivo. Se comparan las tablas de estimacion de da\u00f1os asi obtenidas con las tablas de la national crop insurance association.  las perdidas en el rendimiento no son proporcionales a la defoliacion. Se estudia la recuperacion de las plantas da\u00f1adas por el granizo en base al aumento de la actividad fotosintetica del resto de las hojas.  tambien se ha estudiado en distintos estados del crecimiento y del desarrollo del girasol el efecto de la eliminacion de distintos porcentajes de plantas, el despunte y los da\u00f1os sobre el tallo. Las perdidas en el rendimiento en aquenios aumentan al retrasar el estado fenologico en que se realiza el da\u00f1o. Las ecuaciones de regresion mas adecuadas son y=a+b.L.A o y=a+b.L2+c.A2, siendo l la longitud de hoja y a la anchura maxima de esta. Los coeficientes a,b y c son variables en funcion de las caracteristicas del cultivo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Simulacion de da\u00f1os de granizo en girasol (helianthus annuus l.)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Simulacion de da\u00f1os de granizo en girasol (helianthus annuus l.) <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Hierro Zarzuelo Jes\u00fas Del <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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> Duran Altisent Jos\u00e9 M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Pedro Urbano Terr\u00f3n <\/li>\n<li> Mateo Box Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>Luis L\u00f3pez Bellido (vocal)<\/li>\n<li>Julio Muro Erreguerena (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Hierro Zarzuelo Jes\u00fas Del En la tesis se recoge una descripcion detallada de los da\u00f1os que el [&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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