{"id":971,"date":"2026-09-13T13:42:37","date_gmt":"2026-09-13T05:42:37","guid":{"rendered":"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid-chelate-zinc\/"},"modified":"2026-09-16T19:20:26","modified_gmt":"2026-09-16T11:20:26","slug":"chelate-zinc","status":"publish","type":"product_item","link":"https:\/\/www.jingfenggroup.com\/zh\/bio-fulvic-acid\/chelate-zinc\/","title":{"rendered":"Bio Fulvic Acid Chelate Zinc \u2013 15% Fulvic Acid, 10% Zn"},"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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.fw-6.name.font-worksans.title,\n.s-product-detail .name.title{color:#004d4d !important;font-weight:800 !important;}\n.s-product-detail table{border-collapse:separate !important;border-spacing:0 !important;}<\/p>\n<p>@media(max-width:640px){\n  .jf-sec h2{font-size:22px;}\n  .jf-hero{padding:26px 20px 22px;}\n  .jf-hero-title{font-size:26px;}\n  .jf-nav a{padding:9px 12px;font-size:13px;}\n  .jf-tb{font-size:13.6px;}\n  .jf-tb th,.jf-tb td{padding:9px 10px;}\n}\n.jf-hero-title{color:#fff!important;font-size:33px!important;line-height:1.18!important;font-weight:800!important;}.jf-hero-eyebrow{color:#a9e3e3!important;font-size:12px!important;}.jf-hero-tag{color:#d8f1f1!important;font-size:17px!important;}.jf-hero-lead{color:#eafafa!important;font-size:15px!important;}.jf-sub{color:#6b8083!important;font-size:14.5px!important;}.jf-doc-cta-txt{color:#004d4d!important;font-size:15px!important;}.jf-legend 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-bfaZn, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaZn[data-kb-block=\"kb-adv-headingkb-h1-bfaZn\"]{font-size:33px;font-style:normal;color:#ffffff;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaZn mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaZn[data-kb-block=\"kb-adv-headingkb-h1-bfaZn\"] 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-bfaZn img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaZn[data-kb-block=\"kb-adv-headingkb-h1-bfaZn\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaZn, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaZn[data-kb-block=\"kb-adv-headingkb-h1-bfaZn\"]{font-size:26px;}}<\/style>\n<h1 class=\"kt-adv-heading kb-h1-bfaZn jf-hero-title\">Bio Fulvic Acid Chelate Zinc<\/h1>\n<p class=\"jf-hero-tag\">Tightens Up Zinc Deficiency \u2014 The Fulvic-Chelated Zinc 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-Zn<\/span><br \/>\n<span class=\"jf-badge\">Zinc (Zn) \u2265 10.0%<\/span><br \/>\n<span class=\"jf-badge\">Fulvic acid (dry basis) \u2265 15.0%<\/span><br \/>\n<span class=\"jf-badge\">Code JFHA-BFA-Zn<\/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 Zinc<\/strong> corrects <strong>zinc deficiency<\/strong> with <strong>10% zinc (Zn)<\/strong> carried by <strong>15% fulvic acid<\/strong>, plus <strong>30% organic matter<\/strong> and <strong>1% medium elements (Ca+Mg)<\/strong> for a complete micronutrient package. Water-insoluble matter is just <strong>0.05%<\/strong> \u2014 effectively zero blockage in any irrigation system.<\/p>\n<p>Zinc deficiency shows as <strong>small, narrow, mottled leaves, poor flower-bud formation and low fruit set<\/strong>; corn (striped leaves), rice, citrus, tomato, soybean and peanut are the classic sufferers. Fulvic acid chelates the zinc and carries it into the plant, correcting the disorder that straight zinc sulphate cannot on high-pH soils.<\/p>\n<p>Low moisture (3%), uniform powder, no caking; compliant with agricultural standards and safe for crops, soil and environment. Use it in drip, foliar and seed treatments.<\/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>10% chelated zinc<\/h4>\n<p>High Zn load carried by fulvic acid for fast correction of deficiency.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>15% fulvic acid + 30% organic matter<\/h4>\n<p>Chelation, transport and a broad organic nutrient supply.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>0.05% water-insoluble<\/h4>\n<p>Practically zero blockage; perfect for drip, sprinkler and foliar.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Corrects zinc disorders<\/h4>\n<p>The grade for striped corn, mottled citrus, small tomato leaves, poor pod set.<\/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 Zn, 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>Zinc (Zn)<\/td>\n<td>\u2265 10.0%<\/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 30.0%<\/td>\n<td>NY\/T 525-2021<\/td>\n<\/tr>\n<tr>\n<td>Medium elements (Ca+Mg)<\/td>\n<td>\u2265 1.0%<\/td>\n<td>NY\/T 1117-2010<\/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 3.0%<\/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 (3%), free-flowing, no caking.<\/p>\n<p><strong>In water:<\/strong> dissolves completely with no residue; suitable for drip, sprinkler and foliar.<\/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 products; 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<\/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 <em>(this product)<\/em><\/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\/bud differentiation. Leaf size +25%, bud formation +30%, fruit set +22%.<\/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>Corn grower, Henan<\/h4>\n<p>Seed soak 2500\u00d7 + drip 1200\u00d7 at seedling. Germination +14%, ears\/plant +12%, yield +17%.<\/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; flower drop \u221228%, fruit set +24%.<\/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 zinc work?<\/summary>\n<p>Fulvic acid chelates the Zn and carries it into the plant, correcting deficiency that straight zinc sulphate cannot fix on high-pH soils. Striped corn and mottled citrus recover within days of spraying.<\/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>Corn (striped leaves), rice, citrus, tomato, soybean, peanut and other zinc-sensitive crops.<\/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 recommended dilution it strengthens flower organs and improves fruit set without affecting pollination.<\/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 Zn, 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\" 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