{"id":54282,"date":"2026-07-27T16:54:55","date_gmt":"2026-07-27T16:54:55","guid":{"rendered":"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/?p=54282"},"modified":"2026-07-27T19:19:15","modified_gmt":"2026-07-27T19:19:15","slug":"fuerte-impacto-de-las-heladas-en-los-alfalfares-bonaerenses","status":"publish","type":"post","link":"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/fuerte-impacto-de-las-heladas-en-los-alfalfares-bonaerenses\/","title":{"rendered":"Fuerte impacto de las heladas en los alfalfares bonaerenses"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El invierno est\u00e1 dejando su huella en la provincia de Buenos Aires. En la regi\u00f3n de Carlos Tejedor, los productores alfalferos se enfrentan a un escenario sumamente complejo tras una seguidilla de severas heladas que han provocado un marcado \u00abquemado\u00bb foliar y la interrupci\u00f3n abrupta en el crecimiento de las pasturas.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>El rigor clim\u00e1tico en n\u00fameros<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De acuerdo con el reciente informe de monitoreo de la Estaci\u00f3n Hidrometeorol\u00f3gica Carlos Tejedor, perteneciente a la red de estaciones del CONICET y el IHLLA, la ca\u00edda t\u00e9rmica ha sido dr\u00e1stica. Durante los \u00faltimos 30 d\u00edas analizados (del 1 de junio al 7 de julio de 2026), la temperatura m\u00ednima promedio se ubic\u00f3 en los -0,8\u00b0C, un indicativo claro del rigor ambiental.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"54287\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30-1024x768.jpeg\" alt=\"\" class=\"wp-image-54287\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30-1024x768.jpeg 1024w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30-300x225.jpeg 300w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30-768x576.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30-1536x1152.jpeg 1536w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.30.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"54286\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26-1024x768.jpeg\" alt=\"\" class=\"wp-image-54286\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26-1024x768.jpeg 1024w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26-300x225.jpeg 300w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26-768x576.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26-1536x1152.jpeg 1536w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.26.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"54285\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2-1024x768.jpeg\" alt=\"\" class=\"wp-image-54285\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2-1024x768.jpeg 1024w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2-300x225.jpeg 300w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2-768x576.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2-1536x1152.jpeg 1536w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-2.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Registro Cr\u00edtico: 7 eventos de helada<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En poco m\u00e1s de un mes, la regi\u00f3n soport\u00f3 siete d\u00edas con temperaturas por debajo del punto de congelaci\u00f3n, con un recrudecimiento notable en la primera semana de julio:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">15 de junio: -3,4 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">24 de junio: -2,7 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">25 de junio: -3,6 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 de julio: -1,7 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3 de julio: -4,4 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4 de julio: -5,4 \u00b0C (La helada m\u00e1s intensa)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5 de julio: -2,7 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los gr\u00e1ficos de evoluci\u00f3n t\u00e9rmica evidencian c\u00f3mo las curvas de temperatura se desplomaron repetidamente en patrones de serrucho, generando un estr\u00e9s por fr\u00edo agudo y acumulativo en los cultivos que se encontraban en fase de mantenimiento invernal.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.55.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" data-id=\"54289\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.55-683x1024.jpeg\" alt=\"\" class=\"wp-image-54289\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.55-683x1024.jpeg 683w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.55-200x300.jpeg 200w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.55-768x1152.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.55.jpeg 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/a><figcaption class=\"wp-element-caption\">Datos aportados por el productor y asesor Dante Garcianda.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.45.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"558\" data-id=\"54288\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.45-1024x558.jpeg\" alt=\"\" class=\"wp-image-54288\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.45-1024x558.jpeg 1024w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.45-300x164.jpeg 300w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.45-768x419.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.30.45.jpeg 1260w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>El impacto directo en el lote: Da\u00f1o foliar severo<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las im\u00e1genes relevadas a campo en la zona de Carlos Tejedor son contundentes y reflejan la crudeza de los datos meteorol\u00f3gicos. Se observa un da\u00f1o por congelamiento severo en el tercio superior de las plantas de alfalfa. El follaje presenta una coloraci\u00f3n parda generalizada, con tallos decumbentes, marchitos y hojas completamente necrosadas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Este es un s\u00edntoma cl\u00e1sico del estallido celular provocado por la formaci\u00f3n de cristales de hielo en los tejidos vegetales tiernos al ser sometidos a temperaturas tan extremas como los -5,4\u00b0C. Si bien los estratos inferiores de las plantas, protegidos por el mismo dosel, conservan algo de coloraci\u00f3n verde, la p\u00e9rdida de biomasa foliar en la parte superior es total. Esto repercute directamente en la fisiolog\u00eda y el aprovechamiento del cultivo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Detenci\u00f3n del crecimiento: El cultivo frena su metabolismo por completo para intentar sobrevivir, retrasando sustancialmente las proyecciones de oferta forrajera.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u00e9rdida de calidad nutricional: El material \u00abquemado\u00bb pierde r\u00e1pidamente digestibilidad, energ\u00eda y valor proteico. Esto afecta de manera directa la raci\u00f3n para los rodeos lecheros y de cr\u00eda\/invernada que dependen de estas pasturas.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apertura del canopeo: La muerte y ca\u00edda de la parte superior de la planta permite un mayor ingreso de luz al nivel del suelo. Si bien el crecimiento de la alfalfa est\u00e1 frenado, malezas invernales adaptadas al fr\u00edo podr\u00edan aprovechar esta ventaja competitiva.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"54283\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1024x768.jpeg\" alt=\"\" class=\"wp-image-54283\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1024x768.jpeg 1024w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-300x225.jpeg 300w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-768x576.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1536x1152.jpeg 1536w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"54284\" src=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1-1024x768.jpeg\" alt=\"\" class=\"wp-image-54284\" srcset=\"https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1-1024x768.jpeg 1024w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1-300x225.jpeg 300w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1-768x576.jpeg 768w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1-1536x1152.jpeg 1536w, https:\/\/somosalfalfa.com.ar\/negocios-noticias\/wp-content\/uploads\/2026\/07\/WhatsApp-Image-2026-07-17-at-20.27.25-1.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>El escenario h\u00eddrico: Un atenuante clave a futuro<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como contrapunto positivo, el an\u00e1lisis hidrol\u00f3gico del mismo informe de la Estaci\u00f3n muestra que el nivel fre\u00e1tico se mantiene estable (en torno a los -1,38 metros bajo el nivel del suelo). Esto es consecuencia de la recarga h\u00eddrica lograda durante las lluvias de abril.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Este dato es crucial ya que indica que las ra\u00edces profundas de la alfalfa cuentan con humedad suficiente. El estr\u00e9s que hoy vemos en los lotes es netamente t\u00e9rmico y no h\u00eddrico. Una vez que las temperaturas comiencen a repuntar hacia fines del invierno y principios de la primavera, la disponibilidad de agua en el perfil garantizar\u00e1 una r\u00e1pida y vigorosa respuesta de rebrote desde las coronas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por lo tanto se recomienda asumir que la tasa de crecimiento de la alfalfa ser\u00e1 nula en el corto plazo. Tambi\u00e9n ajustar la carga animal en base a reservas y evitar el pastoreo intensivo de los lotes severamente helados.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un sobrepastoreo en este momento de debilidad puede da\u00f1ar la corona (\u00f3rgano de reserva clave), comprometiendo severamente la persistencia y la densidad de plantas de la pastura a futuro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Las temperaturas extremas frenan la producci\u00f3n en Carlos Tejedor. Con registros que alcanzaron los -5,4\u00b0C, el invierno castiga duro a las pasturas del noroeste bonaerense. An\u00e1lisis de los datos clim\u00e1ticos y el estado cr\u00edtico de los lotes.<\/p>\n","protected":false},"author":10,"featured_media":54286,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[4],"tags":[153,1778,1325,1612,422,1928,558,532,143],"class_list":["post-54282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-forraje","tag-alfalfa","tag-carlos-tejedor","tag-clima","tag-complicaciones","tag-forraje","tag-frio","tag-heladas","tag-pastura","tag-produccion","pmpro-has-access"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fuerte impacto de las heladas en los alfalfares bonaerenses - SomosAlfalfa<\/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:\/\/somosalfalfa.com.ar\/negocios-noticias\/fuerte-impacto-de-las-heladas-en-los-alfalfares-bonaerenses\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fuerte impacto de las heladas en los alfalfares bonaerenses - SomosAlfalfa\" \/>\n<meta property=\"og:description\" content=\"Las temperaturas extremas frenan la producci\u00f3n en Carlos Tejedor. Con registros que alcanzaron los -5,4\u00b0C, el invierno castiga duro a las pasturas del noroeste bonaerense. 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