{"id":970,"date":"2026-09-13T13:42:33","date_gmt":"2026-09-13T05:42:33","guid":{"rendered":"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid-chelate-iron\/"},"modified":"2026-09-16T19:20:23","modified_gmt":"2026-09-16T11:20:23","slug":"chelate-iron","status":"publish","type":"product_item","link":"https:\/\/www.jingfenggroup.com\/zh\/bio-fulvic-acid\/chelate-iron\/","title":{"rendered":"Bio Fulvic Acid Chelate Iron \u2013 15% Fulvic Acid, 14% Fe"},"content":{"rendered":"<style>\n\/* \u57fa\u7840\u91cd\u7f6e + \u5168\u5c40\u5e73\u6ed1\u6eda\u52a8\uff08\u951a\u70b9\u515c\u5e95\uff09 *\/\nhtml{scroll-behavior:smooth;scroll-padding-top:78px;}\n.jf-wrap{max-width:1140px;margin:0 auto;padding:0 16px;box-sizing:border-box;}\n.jf-wrap *{box-sizing:border-box;}\n\/* \u9690\u85cf\u4e3b\u9898\u81ea\u52a8\u63d2\u5165\u7684 Table of contents\uff08\u4e0e\u60ac\u6d6e\u951a\u70b9\u5bfc\u822a\u91cd\u590d\uff09 *\/\n.toc-box{display:none !important;}<\/p>\n<p>\/* ===== Sticky 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span{color:#33484a!important;}.jf-rel-strip::-webkit-scrollbar{height:8px}.jf-rel-strip::-webkit-scrollbar-thumb{background:#cfe3e3;border-radius:8px}.jf-rel-img{display:block;aspect-ratio:1\/1;background:#f5fafa;overflow:hidden}.jf-rel-img img{width:100%;height:100%;object-fit:cover;display:block}.jf-rel-thumb .t{display:block;padding:9px 11px;font-size:13px;font-weight:600;color:#004d4d;line-height:1.35}.jf-rel-strip::-webkit-scrollbar{height:8px}.jf-rel-strip::-webkit-scrollbar-thumb{background:#cfe3e3;border-radius:8px}.jf-rel-img{display:block;aspect-ratio:1\/1;background:#f5fafa;overflow:hidden}.jf-rel-img img{width:100%;height:100%;object-fit:cover;display:block}.jf-rel-thumb .t{display:block;padding:9px 11px;font-size:13px;font-weight:600;color:#004d4d;line-height:1.35}.jf-rel-strip{display:flex;gap:14px;overflow-x:auto;padding:6px 2px 14px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.jf-rel-strip::-webkit-scrollbar{height:8px}.jf-rel-strip::-webkit-scrollbar-thumb{background:#cfe3e3;border-radius:8px}.jf-rel-thumb{flex:0 0 152px;display:block;text-decoration:none;background:#fff;border:1px solid #e3eded;border-radius:12px;overflow:hidden;transition:.15s}.jf-rel-thumb:hover{border-color:#008080;box-shadow:0 6px 16px rgba(0,77,77,.10);transform:translateY(-2px)}.jf-rel-img{display:block;aspect-ratio:1\/1;background:#f5fafa;overflow:hidden}.jf-rel-img img{width:100%;height:100%;object-fit:cover;display:block}.jf-rel-thumb .t{display:block;padding:9px 11px;font-size:13px;font-weight:600;color:#004d4d;line-height:1.35}<\/style>\n<div class=\"jf-wrap\">\n<nav class=\"jf-nav\">\n<a href=\"#overview\">Overview<\/a><br \/>\n<a href=\"#benefits\">Benefits<\/a><br \/>\n<a href=\"#specs\">Specs<\/a><br \/>\n<a href=\"#docs\">Documents<\/a><br \/>\n<a href=\"#solubility\">Form<\/a><br \/>\n<a href=\"#applications\">Applications<\/a><br \/>\n<a href=\"#packaging\">Packaging<\/a><br \/>\n<a href=\"#cases\">Cases<\/a><br \/>\n<a href=\"#faq\">FAQ<\/a><br \/>\n<\/nav>\n<div class=\"jf-hero\">\n<div class=\"jf-hero-eyebrow\">Bio Fulvic Acid<\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe[data-kb-block=\"kb-adv-headingkb-h1-bfaFe\"]{font-size:33px;font-style:normal;color:#ffffff;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe[data-kb-block=\"kb-adv-headingkb-h1-bfaFe\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe[data-kb-block=\"kb-adv-headingkb-h1-bfaFe\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaFe[data-kb-block=\"kb-adv-headingkb-h1-bfaFe\"]{font-size:26px;}}<\/style>\n<h1 class=\"kt-adv-heading kb-h1-bfaFe jf-hero-title\">Bio Fulvic Acid Chelate Iron<\/h1>\n<p class=\"jf-hero-tag\">Kills Iron Chlorosis \u2014 The Fulvic-Chelated Iron Grade<\/p>\n<div class=\"jf-badges\">\n<span class=\"jf-badge\">Appearance Brown powder<\/span><br \/>\n<span class=\"jf-badge\">Product code JFHA-BFA-Fe<\/span><br \/>\n<span class=\"jf-badge\">Iron (Fe) \u2265 14.0%<\/span><br \/>\n<span class=\"jf-badge\">Fulvic acid (dry basis) \u2265 15.0%<\/span><br \/>\n<span class=\"jf-badge\">Code JFHA-BFA-Fe<\/span>\n<\/div>\n<p class=\"jf-hero-lead\"><strong>Every lot ships with a Certificate of Analysis stating actual tested values.<\/strong><\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"overview\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview[data-kb-block=\"kb-adv-headingkb-h2-overview\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview[data-kb-block=\"kb-adv-headingkb-h2-overview\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview[data-kb-block=\"kb-adv-headingkb-h2-overview\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Product Overview<\/h2>\n<p><strong>Bio Fulvic Acid<\/strong> is JINGFENG&#8217;s biotech-fermented fulvic acid \u2014 produced by microbial fermentation of plant-derived feedstock rather than mined from <a href='https:\/\/en.wikipedia.org\/wiki\/Leonardite' target='_blank' rel='noopener'>leonardite<\/a>. It is a short-chain <a href='https:\/\/en.wikipedia.org\/wiki\/Humic_acid' target='_blank' rel='noopener'>humic substance<\/a> rich in fulvic acid, free amino acids, enzymes, sugars and trace nutrients. Fully water soluble and hormone-free, it is used worldwide as a fertilizer raw material and plant biostimulant \u2014 chelating nutrients, buffering soil pH, and improving nutrient uptake in foliar, fertigation and blending programmes.<\/p>\n<p><strong>Bio Fulvic Acid Chelate Iron<\/strong> is a high-performance water-soluble fertilizer built to correct <strong>iron deficiency<\/strong> fast. It delivers <strong>14% iron (Fe)<\/strong> carried by <strong>15% fulvic acid<\/strong>, with <strong>0% water-insoluble matter<\/strong> so nothing blocks your pipes.<\/p>\n<p>Iron is the classic immobile micronutrient: deficiency shows as <strong>interveinal chlorosis of young leaves<\/strong> (yellow between green veins), and it hits calcareous and alkaline soils hardest \u2014 apple, pear, grape, citrus, tomato, peanut and wheat are all sensitive. Fulvic acid chelates the iron and carries it into the leaf, correcting chlorosis that ordinary iron sulphate cannot.<\/p>\n<p>Low moisture (2.9%), uniform powder, no caking; harmless to crops, soil and environment and compliant with strict agricultural standards. Use it in drip, foliar and seed treatments across fruit, vegetable, grain, cash and oil crops.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"benefits\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits[data-kb-block=\"kb-adv-headingkb-h2-benefits\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits[data-kb-block=\"kb-adv-headingkb-h2-benefits\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits[data-kb-block=\"kb-adv-headingkb-h2-benefits\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Key Benefits<\/h2>\n<div class=\"jf-grid\">\n<div class=\"jf-card\">\n<h4>14% chelated iron<\/h4>\n<p>High Fe load carried by fulvic acid for fast correction of chlorosis.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>15% fulvic acid<\/h4>\n<p>Chelating and transport agent plus the biostimulant effect.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>0% water-insoluble<\/h4>\n<p>No pipeline blockage; suitable for every irrigation system.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Corrects chlorosis<\/h4>\n<p>The grade for interveinal yellowing in apple, pear, grape, tomato, wheat, tea.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Low moisture, no caking<\/h4>\n<p>Uniform powder, easy to store and apply.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>COA on every batch<\/h4>\n<p>Tested Fe, fulvic acid, moisture and pH against HG\/T and NY\/T methods.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"jf-sec\" id=\"specs\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs[data-kb-block=\"kb-adv-headingkb-h2-specs\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs[data-kb-block=\"kb-adv-headingkb-h2-specs\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs[data-kb-block=\"kb-adv-headingkb-h2-specs\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Technical Specification<\/h2>\n<table class=\"jf-tb\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Specification<\/th>\n<th>Test standard<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Iron (Fe)<\/td>\n<td>\u2265 14.0%<\/td>\n<td>NY\/T 1974-2010<\/td>\n<\/tr>\n<tr>\n<td>Fulvic acid<\/td>\n<td>\u2265 15.0%<\/td>\n<td>HG\/T 3276-2019<\/td>\n<\/tr>\n<tr>\n<td>Organic matter<\/td>\n<td>\u2265 20.0%<\/td>\n<td>NY\/T 525-2021<\/td>\n<\/tr>\n<tr>\n<td>Water-insoluble matter<\/td>\n<td>\u2264 1.0%<\/td>\n<td>NY\/T 1973-2021<\/td>\n<\/tr>\n<tr>\n<td>Moisture<\/td>\n<td>\u2264 5.0%<\/td>\n<td>NY\/T 525-2021<\/td>\n<\/tr>\n<tr>\n<td>pH (1:100)<\/td>\n<td>4.0 \u2013 6.0<\/td>\n<td>NY\/T 525-2021<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"jf-sub\">Specification values are guaranteed minimums on a dry basis, taken from the batch Certificate of Analysis and tested against the stated Chinese industry standards. Every shipment travels with its own COA stating the tested values.<\/p>\n<div class=\"jf-doc-cta\" id=\"docs\">\n<p class=\"jf-doc-cta-txt\">Need the full Certificate of Analysis, MSDS, or TDS for your formulation or tender file?<\/p>\n<p><a class=\"jf-btn\" href=\"\/contact\/\">Request COA \/ MSDS \/ TDS<\/a>\n<\/div>\n<\/div>\n<div class=\"jf-sec\" id=\"solubility\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol[data-kb-block=\"kb-adv-headingkb-h2-sol\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol[data-kb-block=\"kb-adv-headingkb-h2-sol\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol[data-kb-block=\"kb-adv-headingkb-h2-sol\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Form &amp; Solubility<\/h2>\n<p><strong>Form:<\/strong> uniform brown powder, low moisture (2.9%), free-flowing, no caking.<\/p>\n<p><strong>In water:<\/strong> dissolves completely with no residue. Suitable for drip, sprinkler and foliar systems.<\/p>\n<p><strong>Best practice:<\/strong> foliar at 1500\u20132000\u00d7 in morning\/evening; drip at 1000\u20131500\u00d7. Do not mix with strong alkaline pesticides\/fertilizers; jar-test before blending.<\/p>\n<p><strong>Storage:<\/strong> cool, dry, ventilated; seal tightly. Shelf life 24 months.<\/p>\n<div class=\"jf-note\">Bio fulvic acid is fermented, fully water-soluble potassium fulvate \u2014 no mining, no sodium-route issues, stable in hard and saline water.<\/div>\n<h3>How Bio Fulvic Acid grades compare<\/h3>\n<table class=\"jf-tb jf-tb-cmp\">\n<thead>\n<tr>\n<th>Grade<\/th>\n<th>Form<\/th>\n<th>Fulvic acid<\/th>\n<th>Key element<\/th>\n<th>K\u2082O<\/th>\n<th>Best for<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/powder-50\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Powder 50%<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 50%<\/td>\n<td>\u2014<\/td>\n<td>\u2265 12%<\/td>\n<td>Standard blending &#038; foliar base<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/powder-70\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Powder 70%<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 70%<\/td>\n<td>\u2014<\/td>\n<td>\u2265 12%<\/td>\n<td>Higher-active powder<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/powder-90\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Powder 90%<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 90%<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>Concentrated \/ high-fulvic label<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-calcium\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Chelate Calcium<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 45%<\/td>\n<td>Ca \u2265 8%<\/td>\n<td>\u2014<\/td>\n<td>Correct Ca deficiency<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-iron\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Chelate Iron <em>(this product)<\/em><\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 15%<\/td>\n<td>Fe \u2265 14%<\/td>\n<td>\u2014<\/td>\n<td>Correct Fe chlorosis<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-zinc\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Chelate Zinc<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 15%<\/td>\n<td>Zn \u2265 10%<\/td>\n<td>\u2014<\/td>\n<td>Correct Zn deficiency<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-manganese\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Chelate Manganese<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 24.86%<\/td>\n<td>Mn \u2265 13%<\/td>\n<td>\u2014<\/td>\n<td>Correct Mn deficiency<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-magnesium\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Chelate Magnesium<\/a><\/td>\n<td>Powder<\/td>\n<td>\u2265 21.54%<\/td>\n<td>Mg \u2265 10%<\/td>\n<td>\u2265 3.48%<\/td>\n<td>Correct Mg deficiency<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/round-granule\/\" target=\"_blank\" rel=\"noopener\">Bio Fulvic Acid Round Granule<\/a><\/td>\n<td>Granule<\/td>\n<td>\u2265 52.3%<\/td>\n<td>\u2014<\/td>\n<td>\u2265 10.42%<\/td>\n<td>Dust-free spread or dissolve<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"jf-sub\">All grades are fermented, 100% water soluble and stable in hard\/saline water (anti-flocculation 32 meq\/g).<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"applications\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps[data-kb-block=\"kb-adv-headingkb-h2-apps\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps[data-kb-block=\"kb-adv-headingkb-h2-apps\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps[data-kb-block=\"kb-adv-headingkb-h2-apps\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Applications &amp; Dosage<\/h2>\n<table class=\"jf-tb\">\n<thead>\n<tr>\n<th>Application<\/th>\n<th>How to use<\/th>\n<th>Rate<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Drip \/ fertigation<\/td>\n<td>1000\u20131500\u00d7 dilution, once every 7\u201310 days at seedling\/tillering\/flowering.<\/td>\n<td>7.5\u201312 kg\/ha<\/td>\n<\/tr>\n<tr>\n<td>Foliar spray<\/td>\n<td>1500\u20132000\u00d7 dilution, every 10\u201314 days; focus on young-leaf stage.<\/td>\n<td>3\u20135 kg\/ha<\/td>\n<\/tr>\n<tr>\n<td>Seed soaking<\/td>\n<td>2500\u00d7 dilution at sowing.<\/td>\n<td>as per crop<\/td>\n<\/tr>\n<tr>\n<td>Soil application<\/td>\n<td>Before sowing\/transplanting, with organic fertiliser.<\/td>\n<td>15\u201322.5 kg\/ha<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"jf-sec\" id=\"packaging\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack[data-kb-block=\"kb-adv-headingkb-h2-pack\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack[data-kb-block=\"kb-adv-headingkb-h2-pack\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack[data-kb-block=\"kb-adv-headingkb-h2-pack\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Packaging &amp; Storage<\/h2>\n<table class=\"jf-tb\">\n<thead>\n<tr>\n<th>Pack size<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1 kg \/ 5 kg \/ 10 kg<\/td>\n<td>Printed aluminium foil bag \u2014 retail and sample size<\/td>\n<\/tr>\n<tr>\n<td>20 kg \/ 25 kg<\/td>\n<td>Woven or paper bag with inner PE liner<\/td>\n<\/tr>\n<tr>\n<td>1000\u20131100 kg<\/td>\n<td>Jumbo bag with discharge spout<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Storage:<\/strong> Store in a cool, dry, well-ventilated warehouse away from direct sunlight, high temperature and humidity. Seal the package tightly after each use. Shelf life 24 months from production date.<\/p>\n<p class=\"jf-sub\">Custom packaging, private-label printing and OEM specifications are available on request. Packaging photos are available in the product gallery.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"cases\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases[data-kb-block=\"kb-adv-headingkb-h2-cases\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases[data-kb-block=\"kb-adv-headingkb-h2-cases\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases[data-kb-block=\"kb-adv-headingkb-h2-cases\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Successful Cases<\/h2>\n<div class=\"jf-cases\">\n<a class=\"jf-case\" href=\"\/contact\/\"><span class=\"jf-case-tag\">Field reference<\/span><\/p>\n<h4>Apple orchard, Shaanxi<\/h4>\n<p>Foliar 1800\u00d7 every 10 days \u00d73 at young leaf\/flowering. Chlorosis gone in 2 applications; fruit set +16%, sugar +1.3\u00b0.<\/p>\n<p><span class=\"jf-case-more\">Explore applications &#8594;<\/span><\/a><br \/>\n<a class=\"jf-case\" href=\"\/contact\/\"><span class=\"jf-case-tag\">Field reference<\/span><\/p>\n<h4>Wheat grower, Henan<\/h4>\n<p>Seed soak 2500\u00d7 + drip 1200\u00d7 at tillering. Germination +12%, tillers +20%\/plant, yield +15%.<\/p>\n<p><span class=\"jf-case-more\">Explore applications &#8594;<\/span><\/a><br \/>\n<a class=\"jf-case\" href=\"\/contact\/\"><span class=\"jf-case-tag\">Field reference<\/span><\/p>\n<h4>Tomato greenhouse, Hebei<\/h4>\n<p>Foliar 1600\u00d7 + drip 1300\u00d7 \u00d72. Chlorosis corrected in 1 week; flowering +18%, fruit drop \u221222%.<\/p>\n<p><span class=\"jf-case-more\">Explore applications &#8594;<\/span><\/a>\n<\/div>\n<p class=\"jf-sub\">Full case studies with crop data are published in our application sectors.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"faq\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq[data-kb-block=\"kb-adv-headingkb-h2-faq\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq[data-kb-block=\"kb-adv-headingkb-h2-faq\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq[data-kb-block=\"kb-adv-headingkb-h2-faq\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"jf-faq\">\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>How does fulvic-chelated iron correct chlorosis?<\/summary>\n<p>Fulvic acid chelates the Fe and carries it into the leaf, bypassing the soil fixation that makes ordinary iron sulphate useless on calcareous ground. Chlorosis clears within 1\u20132 applications.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Which crops are most sensitive?<\/summary>\n<p>Apple, pear, grape, citrus, strawberry, tomato, wheat, tea and peanut \u2014 especially on alkaline or calcareous soils.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Can it be used during flowering?<\/summary>\n<p>Yes. At the recommended dilution it does not affect pollination; it strengthens flower organs and improves fruit set.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Is it compatible with other inputs?<\/summary>\n<p>Mixes with most neutral\/acidic fertilizers and pesticides; not with strong alkaline products. Jar-test first.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>What is the shelf life?<\/summary>\n<p>24 months from production date under proper storage. Seal tightly after use.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Do you provide a COA per batch?<\/summary>\n<p>Yes \u2014 Fe, fulvic acid, moisture and pH tested to HG\/T and NY\/T methods.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<div class=\"jf-sec\" id=\"related\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel[data-kb-block=\"kb-adv-headingkb-h2-rel\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel[data-kb-block=\"kb-adv-headingkb-h2-rel\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel[data-kb-block=\"kb-adv-headingkb-h2-rel\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Also Available in This Family<\/h2>\n<div class=\"jf-rel-strip\"><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/round-granule\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Bio-Fulvic-Acid-Round-Granule-1kg-20kg-purple-150x150.webp\" alt=\"Bio Fulvic Acid Round Granule \u2013 52.3% Fulvic Acid, Uniform Granule\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Bio Fulvic Acid Round Granule \u2013 52.3% Fulvic Acid, Uniform Granule<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-magnesium\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Bio-Fulvic-Acid-Chelate-Magnesium-1kg-20kg-150x150.webp\" alt=\"Bio Fulvic Acid Chelate Magnesium \u2013 21.54% Fulvic Acid, 10% Mg\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Bio Fulvic Acid Chelate Magnesium \u2013 21.54% Fulvic Acid, 10% Mg<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-manganese\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Bio-Fulvic-Acid-Chelate-Manganese-1kg-20kg-150x150.webp\" alt=\"Bio Fulvic Acid Chelate Manganese \u2013 24.86% Fulvic Acid, 13% Mn\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Bio Fulvic Acid Chelate Manganese \u2013 24.86% Fulvic Acid, 13% Mn<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-zinc\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Bio-Fulvic-Acid-Chelate-Zinc-1kg-20kg-150x150.webp\" alt=\"Bio Fulvic Acid Chelate Zinc \u2013 15% Fulvic Acid, 10% Zn\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Bio Fulvic Acid Chelate Zinc \u2013 15% Fulvic Acid, 10% Zn<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid\/chelate-calcium\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Bio-Fulvic-Acid-Chelate-Calcium-1kg-20kg-brown_800x800-150x150.webp\" alt=\"Bio Fulvic Acid Chelate Calcium \u2013 45% Fulvic Acid, 8% Ca\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Bio Fulvic Acid Chelate Calcium \u2013 45% Fulvic Acid, 8% Ca<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" 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