{"id":51789,"date":"2026-02-20T09:06:54","date_gmt":"2026-02-20T12:06:54","guid":{"rendered":"https:\/\/www.todoalfalfa.com.ar\/noticias\/?p=51789"},"modified":"2026-02-20T09:29:23","modified_gmt":"2026-02-20T12:29:23","slug":"estres-hidrico-impacto-del-riego-en-el-cultivo-de-la-alfalfa","status":"publish","type":"post","link":"https:\/\/www.todoalfalfa.com.ar\/noticias\/estres-hidrico-impacto-del-riego-en-el-cultivo-de-la-alfalfa\/","title":{"rendered":"Estr\u00e9s h\u00eddrico, impacto del riego en el cultivo de la alfalfa"},"content":{"rendered":"\n<p>La necesidad de poder eficientizar el uso del agua en el marco del contexto clim\u00e1tico que atraviesa el mundo lleva a investigadores a realizar diversos estudios, uno de ellos fue expuesto por el Ing. Agr. Pablo Larsonneau, del instituto Arvalis (Francia) en el Congreso Mundial de Alfalfa.&nbsp;<\/p>\n\n\n\n<p>El estudio se posiciona bajo el paradigma de reintegrar el cultivo de alfalfa dentro de los \u00abL\u00edmites Planetarios\u00bb, un concepto cr\u00edtico para la sostenibilidad de la agricultura moderna.&nbsp;<\/p>\n\n\n\n<p>Este esfuerzo cuenta con el respaldo de una red institucional entre las que se encuentran&nbsp; Arvalis, el Institut de l&#8217;\u00c9levage y el programa Cap Prot\u00e9ines, con el apoyo de iniciativas como France Relance, Climatveg y la participaci\u00f3n activa de las c\u00e1maras de agricultura de las regiones de Rh\u00f4ne, Ard\u00e8che, Loire y Puy-de-D\u00f4me.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=1024%2C576&#038;ssl=1\" alt=\"\" class=\"wp-image-51791\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=777%2C437&amp;ssl=1 777w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=180%2C101&amp;ssl=1 180w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=260%2C146&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=373%2C210&amp;ssl=1 373w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?resize=120%2C67&amp;ssl=1 120w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Alfalfa.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>La robustez del estudio se sustenta en una escala experimental de alta precisi\u00f3n:<\/p>\n\n\n\n<p>\u2022 Temporalidad: 4 a\u00f1os de experimentaci\u00f3n continua para capturar la variabilidad interanual.<\/p>\n\n\n\n<p>\u2022 Dise\u00f1o Experimental: Implementaci\u00f3n en 3 sitios de Arvalis y 5 ensayos en campos de productores reales (R\u00e9seau), garantizando la aplicabilidad de los datos en condiciones de producci\u00f3n comerciales.<\/p>\n\n\n\n<p>\u2022 Objetivo Estrat\u00e9gico: Cuantificar la respuesta biol\u00f3gica al riego tanto en alfalfa como en gram\u00edneas forrajeras para optimizar el uso de recursos h\u00eddricos.<\/p>\n\n\n\n<div class=\"wp-block-jetpack-slideshow aligncenter\" data-effect=\"slide\" style=\"--aspect-ratio:calc(1024 \/ 576)\"><div class=\"wp-block-jetpack-slideshow_container swiper-container\"><ul class=\"wp-block-jetpack-slideshow_swiper-wrapper swiper-wrapper\"><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"576\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-51793\" data-id=\"51793\" data-aspect-ratio=\"1024 \/ 576\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31.jpeg?resize=1024%2C576&#038;ssl=1\"\/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"461\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-51797\" data-id=\"51797\" data-aspect-ratio=\"1024 \/ 461\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.33.jpeg?resize=1024%2C461&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.33.jpeg?resize=1024%2C461&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.33.jpeg?resize=300%2C135&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.33.jpeg?resize=768%2C346&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.33.jpeg?resize=1536%2C692&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.33.jpeg?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-51798\" data-id=\"51798\" data-aspect-ratio=\"1024 \/ 576\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=1024%2C576&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=777%2C437&amp;ssl=1 777w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=180%2C101&amp;ssl=1 180w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=260%2C146&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=373%2C210&amp;ssl=1 373w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?resize=120%2C67&amp;ssl=1 120w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34.jpeg?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"460\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-51799\" data-id=\"51799\" data-aspect-ratio=\"1024 \/ 460\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34-1.jpeg?resize=1024%2C460&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34-1.jpeg?resize=1024%2C460&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34-1.jpeg?resize=300%2C135&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34-1.jpeg?resize=768%2C345&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34-1.jpeg?resize=1536%2C690&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.34-1.jpeg?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><\/ul><a class=\"wp-block-jetpack-slideshow_button-prev swiper-button-prev swiper-button-white\" role=\"button\"><\/a><a class=\"wp-block-jetpack-slideshow_button-next swiper-button-next swiper-button-white\" role=\"button\"><\/a><a aria-label=\"Pause Slideshow\" class=\"wp-block-jetpack-slideshow_button-pause\" role=\"button\"><\/a><div class=\"wp-block-jetpack-slideshow_pagination swiper-pagination swiper-pagination-white\"><\/div><\/div><\/div>\n\n\n\n<p class=\"has-medium-font-size\"><strong>El valor estrat\u00e9gico\u00a0<\/strong><\/p>\n\n\n\n<p>En un contexto de crisis clim\u00e1tica, la gesti\u00f3n del riego no puede ser una pr\u00e1ctica intuitiva. Por ello, se busca aportar datos concretos para que el uso de agua para riego sea una herramienta de precisi\u00f3n, asegurando la estabilidad productiva en regiones vulnerables y validando el papel de la alfalfa como pilar de la resiliencia forrajera.<\/p>\n\n\n\n<p>Para desglosar la curva de respuesta de la alfalfa frente al consumo de agua, se establecieron diversas modalidades de riego. El uso de sondas capacitivas fue central en la metodolog\u00eda, permitiendo un monitoreo en tiempo real del estado h\u00eddrico del suelo, dato fundamental para el c\u00e1lculo preciso de las necesidades de Evapotranspiraci\u00f3n M\u00e1xima (ETM).<\/p>\n\n\n\n<p>Se analizaron 5 modalidades de riego:<\/p>\n\n\n\n<p>\u2022 ETM 100: Suministro destinado a cubrir el 100% de los requerimientos h\u00eddricos.<\/p>\n\n\n\n<p>\u2022 ETM 130: R\u00e9gimen intensivo con un 30% adicional de agua sobre la ETM.<\/p>\n\n\n\n<p>\u2022 ETM 50: R\u00e9gimen de restricci\u00f3n moderada (50% de la ETM).<\/p>\n\n\n\n<p>\u2022 Rainfed (Secano): Sin irrigaci\u00f3n aplicada, operando bajo estricta pluviometr\u00eda.<\/p>\n\n\n\n<p>\u2022 Riego \u00abGestionado\u00bb (Managed): Una \u00fanica aplicaci\u00f3n estrat\u00e9gica despu\u00e9s de cada cosecha, condicionada a la necesidad h\u00eddrica del momento.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"513\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Captura-de-pantalla-2026-02-19-120632.png?resize=1024%2C513&#038;ssl=1\" alt=\"\" class=\"wp-image-51790\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Captura-de-pantalla-2026-02-19-120632.png?resize=1024%2C513&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Captura-de-pantalla-2026-02-19-120632.png?resize=300%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Captura-de-pantalla-2026-02-19-120632.png?resize=768%2C385&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/Captura-de-pantalla-2026-02-19-120632.png?w=1455&amp;ssl=1 1455w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>La intenci\u00f3n detr\u00e1s del riego gestionado es maximizar la recuperaci\u00f3n de la alfalfa tras el estr\u00e9s del corte con el m\u00ednimo aporte posible. Este enfoque busca romper con la tradici\u00f3n del riego intensivo, demostrando que intervenciones puntuales pueden ser m\u00e1s eficientes que el mantenimiento de niveles m\u00e1ximos de hidrataci\u00f3n constante.<\/p>\n\n\n\n<p>El agua no solo altera el volumen de materia seca, sino que redefine la arquitectura biol\u00f3gica de la alfalfa.&nbsp;<\/p>\n\n\n\n<p>El r\u00e9gimen h\u00eddrico altera dr\u00e1sticamente la distribuci\u00f3n de las ra\u00edces. En condiciones de ETM 100, la planta concentra su proporci\u00f3n de ra\u00edces en el horizonte superior de 30 cm, donde el recurso es abundante.&nbsp;<\/p>\n\n\n\n<p>Por el contrario, la alfalfa en secano mantiene un perfil m\u00e1s distribuido, explorando horizontes de hasta 70-80 cm.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-jetpack-slideshow aligncenter\" data-effect=\"slide\" style=\"--aspect-ratio:calc(1024 \/ 577)\"><div class=\"wp-block-jetpack-slideshow_container swiper-container\"><ul class=\"wp-block-jetpack-slideshow_swiper-wrapper swiper-wrapper\"><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-51800\" data-id=\"51800\" data-aspect-ratio=\"1024 \/ 577\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.32.jpeg?resize=1024%2C577&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.32.jpeg?resize=1024%2C577&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.32.jpeg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.32.jpeg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.32.jpeg?resize=777%2C437&amp;ssl=1 777w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.32.jpeg?resize=180%2C101&amp;ssl=1 180w, 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src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=1024%2C577&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=1024%2C577&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=777%2C437&amp;ssl=1 777w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=180%2C101&amp;ssl=1 180w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=260%2C146&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=373%2C210&amp;ssl=1 373w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?resize=120%2C67&amp;ssl=1 120w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-1.jpeg?w=1156&amp;ssl=1 1156w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-51796\" data-id=\"51796\" data-aspect-ratio=\"1024 \/ 577\" src=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=1024%2C577&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=1024%2C577&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=1536%2C865&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=777%2C437&amp;ssl=1 777w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=180%2C101&amp;ssl=1 180w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=260%2C146&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=373%2C210&amp;ssl=1 373w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?resize=120%2C67&amp;ssl=1 120w, https:\/\/i0.wp.com\/www.todoalfalfa.com.ar\/noticias\/wp-content\/uploads\/2026\/02\/WhatsApp-Image-2026-02-20-at-09.21.31-2.jpeg?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><\/ul><a class=\"wp-block-jetpack-slideshow_button-prev swiper-button-prev swiper-button-white\" role=\"button\"><\/a><a class=\"wp-block-jetpack-slideshow_button-next swiper-button-next swiper-button-white\" role=\"button\"><\/a><a aria-label=\"Pause Slideshow\" class=\"wp-block-jetpack-slideshow_button-pause\" role=\"button\"><\/a><div class=\"wp-block-jetpack-slideshow_pagination swiper-pagination swiper-pagination-white\"><\/div><\/div><\/div>\n\n\n\n<p>El riego intensivo vuelve al sistema radicular \u00abperezoso\u00bb. Una planta dependiente de horizontes superficiales es extremadamente vulnerable si el suministro de riego falla, mientras que una arquitectura radicular profunda, fomentada por reg\u00edmenes moderados, incrementa la resiliencia ante sequ\u00edas extremas.<\/p>\n\n\n\n<p>La calidad nutricional es el factor que determina la rentabilidad real en la nutrici\u00f3n animal. El estudio analiz\u00f3 las Unidades Forrajeras Leche (UFL) y el contenido de Materias Nitrogenadas totales (MAT) bajo diferentes niveles de estr\u00e9s.<\/p>\n\n\n\n<p>\u2022 Valores de referencia: Independientemente del riego, la calidad se mantuvo estable con UFL oscilando entre 0.8 y 0.9, y la MAT manteni\u00e9ndose entre 20% y 23%.<\/p>\n\n\n\n<p>\u2022 Estabilidad proteica: La alfalfa demuestra una capacidad notable para mantener su valor proteico incluso bajo restricciones h\u00eddricas, lo que valida su robustez como cultivo forrajero.<\/p>\n\n\n\n<p>El \u00e9xito de la alfalfa para \u00abregresar a los l\u00edmites planetarios\u00bb depende de la capacidad para proteger la soberan\u00eda proteica optimizando cada gota de agua. Estos datos confirman que es posible alcanzar una producci\u00f3n sostenible y de alta calidad mediante reg\u00edmenes h\u00eddricos moderados, asegurando que la alfalfa siga siendo el pilar de la autonom\u00eda forrajera en un clima cambiante.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En un contexto de crisis clim\u00e1tica, la gesti\u00f3n del riego no puede ser una pr\u00e1ctica intuitiva. El Ing. Agr. Pablo Larsonneau, del instituto Arvalis (Francia) brind\u00f3 un informe t\u00e9cnico para la optimizaci\u00f3n del uso de agua que permita aportar estabilidad productiva en regiones vulnerables.<\/p>\n","protected":false},"author":9,"featured_media":51798,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2061,2],"tags":[2146,236,54,68,2145,17,21,121,91],"class_list":["post-51789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-congreso-mundial-de-alfalfa","category-generales","tag-estres-hidrico","tag-exportacion","tag-forrajes","tag-heno","tag-pablo-larsonneau","tag-pasturas","tag-produccion","tag-riego","tag-siembra"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Estr\u00e9s h\u00eddrico, impacto del riego en el cultivo de la alfalfa<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.todoalfalfa.com.ar\/noticias\/estres-hidrico-impacto-del-riego-en-el-cultivo-de-la-alfalfa\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Estr\u00e9s h\u00eddrico, impacto del riego en el cultivo de la alfalfa\" \/>\n<meta property=\"og:description\" content=\"En un contexto de crisis clim\u00e1tica, la gesti\u00f3n del riego no puede ser una pr\u00e1ctica intuitiva. 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