{"id":975,"date":"2025-06-22T15:50:04","date_gmt":"2025-06-22T12:50:04","guid":{"rendered":"https:\/\/grossdorf.com\/product\/uan-26-4s\/"},"modified":"2025-06-22T15:50:04","modified_gmt":"2025-06-22T12:50:04","slug":"uan-26-4s","status":"publish","type":"product","link":"https:\/\/grossdorf.com\/en\/product\/uan-26-4s\/","title":{"rendered":"UAN 26+4S"},"content":{"rendered":"<p>UAN 26+4S is a concentrated liquid nitrogen fertilizer containing 24\u201326% total nitrogen in three forms: ammonium (NH\u2084\u207a) \u2014 moderately retained in soil, provides stable nutrition; nitrate (NO\u2083\u207b) \u2014 readily available but susceptible to leaching; amide (NH\u2082) \u2014 gradually mineralized, offering prolonged action. Additionally, it contains 4% sulfur in the sulfate form (SO\u2083), which is critical for: <\/p>\n<ul>\n<li>amino acid and protein synthesis;<\/li>\n<li>activation of nitrogen metabolism;<\/li>\n<li>enhanced nitrogen uptake efficiency.<\/li>\n<\/ul>\n<p>The fertilizer is fully water-soluble, contains no mechanical impurities, and has a neutral to slightly alkaline pH (~7). It is suitable for a wide range of soil types, including acidic, sandy loam, and grey podzolic soils.<\/p>\n<h3><strong>Recommended use:<\/strong><\/h3>\n<ul>\n<li>base application \u2014 before sowing with incorporation into soil;<\/li>\n<li>pre-sowing application \u2014 can be mixed with other fertilizers;<\/li>\n<li>top dressing during vegetation \u2014 for cereals, corn, rapeseed, and industrial crops;<\/li>\n<li>foliar application \u2014 in diluted concentrations (7\u201312%);<\/li>\n<li>fertigation \u2014 especially effective in intensive vegetable cultivation.<\/li>\n<\/ul>\n<h3><strong>Limitations and warnings:<\/strong><\/h3>\n<ul>\n<li>avoid application during hot weather or high solar activity;<\/li>\n<li>do not apply to wet foliage without dilution;<\/li>\n<li>crystallization temperature \u201314\u2026\u201317\u202f\u00b0C;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Liquid nitrogen fertilizer &#8220;UAN 26+4S&#8221;<br \/>\nUrea ammonium nitrate solution with sulfur (26% total nitrogen + 4% sulfur)<\/p>\n<p><strong>TU U 20.1-36584168-006:2019<\/strong><\/p>\n<p><strong>Sales\/packaging terms:<\/strong> EXW, FCA, bulk<\/p>\n<p><strong>Delivery terms:<\/strong> own transport across Ukraine or self-pickup<\/p>\n","protected":false},"featured_media":810,"template":"","meta":[],"product_brand":[],"product_cat":[59,58,52],"product_tag":[],"class_list":{"0":"post-975","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nitrogen-fertilizers-en","7":"product_cat-uan","8":"product_cat-wholesale","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UAN 26+4S - nitrogen-sulfur fertilizer | Buy with delivery<\/title>\n<meta name=\"description\" content=\"UAN 26+4S \u2014 a nitrogen-sulfur fertilizer for balanced crop nutrition. 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