{"id":624,"date":"2025-06-27T17:42:46","date_gmt":"2025-06-27T17:42:46","guid":{"rendered":"https:\/\/www.agromenta.gr\/protaseis-lipansis\/sunflower\/"},"modified":"2025-06-27T17:42:46","modified_gmt":"2025-06-27T17:42:46","slug":"sunflower","status":"publish","type":"protaseis-lipansis","link":"https:\/\/www.agromenta.gr\/en\/protaseis-lipansis\/sunflower\/","title":{"rendered":"Sunflower"},"content":{"rendered":"<h2>1. Base Fertilization (Soil Preparation \u2013 Pre-sowing)<\/h2>\n<p><strong>Period:<\/strong> Spring \u2013 before sowing<br \/>\n<strong>Fertilizer Type:<\/strong> Compound NPK (e.g. 15-15-15 or 20-10-10)<br \/>\n<strong>Dosage:<\/strong> 40\u201350 kg\/acre<br \/>\n<strong>Purpose:<\/strong> Ensure essential nutrients for good root establishment and early growth.<\/p>\n<h2>2. Nitrogen Fertilization (After Emergence)<\/h2>\n<p><strong>Period:<\/strong> 20\u201330 days after sowing<br \/>\n<strong>Fertilizer Type:<\/strong> Urea or ammonium nitrogen form<br \/>\n<strong>Dosage:<\/strong> 15\u201320 kg\/acre<br \/>\n<strong>Purpose:<\/strong> Support leaf development and enhance photosynthesis.<\/p>\n<h2>3. Fertilization During Seed Formation<\/h2>\n<p><strong>Period:<\/strong> Flower development \u2013 seed filling<br \/>\n<strong>Fertilizer Type:<\/strong> Nitrate nitrogen with potassium (e.g. potassium sulfate)<br \/>\n<strong>Dosage:<\/strong> 10\u201315 kg\/acre<br \/>\n<strong>Purpose:<\/strong> Improve seed size and quality.<\/p>\n<h2>Supplementary Foliar Nutrition<\/h2>\n<ul>\n<li>Water-soluble NPK fertilizers (e.g. 20-20-20)<\/li>\n<li>Trace elements (Boron, Zinc, Iron)<\/li>\n<li>Application of foliar sprays at critical stages to prevent deficiencies<\/li>\n<\/ul>\n<h2>Tips:<\/h2>\n<ul>\n<li>Adequate potassium supply is essential for seed weight and quality.<\/li>\n<li>Boron (B) plays a role in fertilization and seed development.<\/li>\n<li>Carry out soil and leaf analysis for optimal planning.<\/li>\n<li>Avoid excessive nitrogen use near maturity to prevent delays.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Sunflower is a crop with specific requirements for nitrogen, phosphorus, and potassium, which must be met to achieve maximum yield and quality.<\/p>\n","protected":false},"featured_media":625,"template":"","class_list":["post-624","protaseis-lipansis","type-protaseis-lipansis","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - 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