{"id":37257,"date":"2026-07-19T10:36:32","date_gmt":"2026-07-19T08:36:32","guid":{"rendered":"https:\/\/new.grena.com\/colture\/uncategorized\/tournesol\/"},"modified":"2026-07-19T11:36:10","modified_gmt":"2026-07-19T09:36:10","slug":"tournesol","status":"publish","type":"etheme_portfolio","link":"https:\/\/new.grena.com\/fr\/colture\/cereales-et-grandes-cultures\/tournesol\/","title":{"rendered":"Tournesol"},"content":{"rendered":"<p><strong>ACTION BIOSTIMULANTE <\/strong><br \/>\n<strong>Autoris\u00e9 en Agriculture Biologique<\/strong><\/p>\n<p>FERTIGRENA N12 SPRINT est un engrais organo-min\u00e9ral id\u00e9al pour la fertilisation de fond en pr\u00e9-semis du tournesol. Sa teneur \u00e9lev\u00e9e en Azote est lib\u00e9r\u00e9e progressivement, cr\u00e9ant une courbe synergique pour la croissance printani\u00e8re\u00a0: elle d\u00e9marre avec l&rsquo;effet imm\u00e9diat de l&rsquo;azote ammoniacal, se poursuit avec l&rsquo;azote ur\u00e9ique, tandis que l&rsquo;azote organique \u00e0 lib\u00e9ration lente prolonge et compl\u00e8te le processus de min\u00e9ralisation, contribuant \u00e0 une croissance r\u00e9guli\u00e8re et \u00e0 la sant\u00e9 globale de la plante.<\/p>\n<p>Le Calcium \u00e0 13\u00a0% exerce une action correctrice sur le pH du sol et est \u00e9galement important pour donner de l&rsquo;\u00e9lasticit\u00e9 \u00e0 la paroi cellulaire.<\/p>\n<p>Gr\u00e2ce \u00e0 la pr\u00e9sence de calcium, FERTIGRENA N12 SPRINT confere une r\u00e9sistance \u00e0 la pourriture apicale et am\u00e9liore la conservation de la r\u00e9colte finale.<br \/>\nLe pourcentage \u00e9lev\u00e9 de mati\u00e8re organique lie l&rsquo;Azote gr\u00e2ce aux acides humiques et fulviques naturellement pr\u00e9sents, acheminant ainsi les nutriments vers les racines.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ACTION BIOSTIMULANTE Autoris\u00e9 en Agriculture Biologique FERTIGRENA N12 SPRINT est un engrais organo-min\u00e9ral id\u00e9al pour la fertilisation de fond en pr\u00e9-semis du tournesol. Sa teneur&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12008,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_last_translation_edit_mode":["translation-editor"],"_elementor_template_type":["wp-post"],"_elementor_version":["3.6.2"],"_wpml_media_duplicate":["1","1"],"_wpml_media_featured":["1","1"],"_top_nav_excluded":[""],"_cms_nav_minihome":[""],"_wp_page_template":["default"],"_elementor_page_settings":["a:2:{s:14:\"ha_grid_number\";s:0:\"\";s:14:\"ha_grid_zindex\";s:4:\"1000\";}"],"_elementor_data":["[{\"id\":\"f6a7e94\",\"elType\":\"section\",\"settings\":{\"layout\":\"full_width\",\"structure\":\"20\"},\"elements\":[{\"id\":\"fa6b909\",\"elType\":\"column\",\"settings\":{\"_column_size\":50,\"_inline_size\":69.948},\"elements\":[{\"id\":\"e232a1d\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>AZIONE BIOSTIMOLANTE <\\\/strong><br \\\/><strong>Consentito in Agricoltura Biologica<\\\/strong><\\\/p><p>FERTIGRENA N12 SPRINT \\u00e8 un fertilizzante organo-minerale ideale per la concimazione di base in presemina del girasole. L\\u2019elevato contenuto di Azoto viene rilasciato gradualmente, creando una curva sinergica per la crescita primaverile che parte dall\\u2019immediatezza dell\\u2019azoto ammoniacale ed \\u00e8 poi portata avanti dall\\u2019azoto ureico, mentre l\\u2019azoto organico slow-release continua e completa il processo di mineralizzazione, contribuendo ad una crescita costante e alla salute complessiva della pianta.<\\\/p><p>Il Calcio al 13% ha un\\u2019azione correttiva sul pH del suolo ed \\u00e8 anche importante per dare elasticit\\u00e0 alla parete cellulare.<\\\/p><p>Grazie alla presenza di calcio, FERTIGRENA N12 SPRINT d\\u00e0 resistenza al marciume apicale e migliora la conservabilit\\u00e0 del raccolto finale.<br \\\/>L\\u2019elevata percentuale di sostanza organica lega l\\u2019Azoto attraverso gli acidi umici e fulvici naturalmente presenti, convogliando il nutrimento alle 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