{"id":969,"date":"2026-09-13T13:42:29","date_gmt":"2026-09-13T05:42:29","guid":{"rendered":"https:\/\/www.jingfenggroup.com\/bio-fulvic-acid-chelate-calcium\/"},"modified":"2026-09-16T19:20:21","modified_gmt":"2026-09-16T11:20:21","slug":"chelate-calcium","status":"publish","type":"product_item","link":"https:\/\/www.jingfenggroup.com\/zh\/bio-fulvic-acid\/chelate-calcium\/","title":{"rendered":"Bio Fulvic Acid Chelate Calcium \u2013 45% Fulvic Acid, 8% Ca"},"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-bfaCa, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaCa[data-kb-block=\"kb-adv-headingkb-h1-bfaCa\"]{font-size:33px;font-style:normal;color:#ffffff;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaCa mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaCa[data-kb-block=\"kb-adv-headingkb-h1-bfaCa\"] 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-bfaCa img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaCa[data-kb-block=\"kb-adv-headingkb-h1-bfaCa\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaCa, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-bfaCa[data-kb-block=\"kb-adv-headingkb-h1-bfaCa\"]{font-size:26px;}}<\/style>\n<h1 class=\"kt-adv-heading kb-h1-bfaCa jf-hero-title\">Bio Fulvic Acid Chelate Calcium<\/h1>\n<p class=\"jf-hero-tag\">Fast Calcium, No Fixation \u2014 The Fulvic-Chelated Calcium 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-Ca<\/span><br \/>\n<span class=\"jf-badge\">Fulvic acid (dry basis) \u2265 45.0%<\/span><br \/>\n<span class=\"jf-badge\">Calcium (Ca) \u2265 8.0%<\/span><br \/>\n<span class=\"jf-badge\">Code JFHA-BFA-Ca<\/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 Calcium<\/strong> combines high-purity fulvic acid with <strong>chelated calcium<\/strong> so the calcium is taken up directly by the crop instead of being fixed in the soil. Guaranteed <strong>45% fulvic acid<\/strong> and <strong>8% calcium (Ca)<\/strong>, with <strong>0% water-insoluble matter<\/strong> \u2014 it dissolves completely and will not block drip lines.<\/p>\n<p>Calcium is the element crops need most but absorb least efficiently: it is immobile in the plant and easily fixed by soil phosphate and bicarbonate. Fulvic acid acts as the chelating and transport agent, carrying calcium into the root and leaf where ordinary calcium fertilisers fail. That is why this grade is the standard correction for <strong>blossom-end rot in tomato, bitter pit in apple, tip burn in lettuce and cabbage<\/strong>, and cracking in citrus and strawberry.<\/p>\n<p>Free of harmful impurities and heavy metals, it is safe for crops, soil and the environment and suitable for organic-input programmes. Use it in fertigation, foliar spray, or as a seed treatment across fruit, vegetable, grain and cash 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>Chelated calcium, directly absorbed<\/h4>\n<p>Fulvic acid carries calcium past soil fixation into root and leaf \u2014 fixes the deficiency ordinary calcium can&#8217;t.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>45% fulvic acid<\/h4>\n<p>High-active short-chain carbon for rapid uptake, plus the chelation and buffering effect.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>0% water-insoluble<\/h4>\n<p>Fully soluble, no pipeline blockage, suitable for every irrigation system.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Targets calcium disorders<\/h4>\n<p>The grade of choice for blossom-end rot, bitter pit, tip burn and fruit cracking.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Safe and clean<\/h4>\n<p>No harmful impurities or heavy metals; suitable for organic-input programmes.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>COA on every batch<\/h4>\n<p>Tested fulvic acid, Ca, 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>Appearance<\/td>\n<td>Brown powder<\/td>\n<td>Visual inspection<\/td>\n<\/tr>\n<tr>\n<td>Fulvic acid<\/td>\n<td>\u2265 45.0%<\/td>\n<td>HG\/T 5334-2018<\/td>\n<\/tr>\n<tr>\n<td>Calcium (Ca)<\/td>\n<td>\u2265 8.0%<\/td>\n<td>NY\/T 1117-2010<\/td>\n<\/tr>\n<tr>\n<td>Water-insoluble matter<\/td>\n<td>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>GB\/T 20886.2-2021<\/td>\n<\/tr>\n<tr>\n<td>pH (1:100)<\/td>\n<td>5.0 \u2013 6.0<\/td>\n<td>NY\/T 1973-2021<\/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, free-flowing, no caking.<\/p>\n<p><strong>In water:<\/strong> dissolves completely with no residue \u2014 suitable for drip, sprinkler and foliar systems alike. Light agitation gives a clear solution.<\/p>\n<p><strong>Best practice:<\/strong> spray in the morning or evening, avoid high noon; if it rains within 4 hours, rinse and re-spray. Do not mix with strong acid\/alkali products \u2014 run a small jar test first.<\/p>\n<p><strong>Storage:<\/strong> cool, dry, ventilated; seal tightly after use. 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 <em>(this product)<\/em><\/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<\/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>800\u20131200\u00d7 dilution, 2\u20133 times per growth period (seedling, flowering, fruit expansion).<\/td>\n<td>7.5\u201315 kg\/ha<\/td>\n<\/tr>\n<tr>\n<td>Foliar spray<\/td>\n<td>1000\u20131500\u00d7 dilution, 2\u20133 times; focus on young fruit and expansion stage.<\/td>\n<td>3\u20135 kg\/ha<\/td>\n<\/tr>\n<tr>\n<td>Seed dressing \/ soaking<\/td>\n<td>1500\u20132000\u00d7 dilution; soak 6\u201312 h or dress to wet seeds.<\/td>\n<td>as per crop<\/td>\n<\/tr>\n<tr>\n<td>Soil application<\/td>\n<td>Before sowing or transplanting, mixed 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>Strawberry greenhouse, Shandong<\/h4>\n<p>Drip at 800\u00d7 every 7 days \u00d73. Lateral roots +30%, blossom-end rot controlled, fruit setting +15%, sugar +1\u20132\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>Apple orchard, Shaanxi<\/h4>\n<p>Foliar 1200\u00d7 at young fruit and expansion. Colouring area +20%, cracking \u221280%, commodity rate >95%.<\/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>Citrus plantation, Guangxi<\/h4>\n<p>Drip 1000\u00d7 + foliar 1200\u00d7 at expansion. Average fruit +10%, canker \u221270%, soluble solids +1.5\u00b0.<\/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>Why chelated calcium instead of ordinary calcium nitrate?<\/summary>\n<p>Ordinary calcium is fixed by soil phosphate and bicarbonate and is immobile in the plant, so little reaches the fruit. Fulvic acid chelates the calcium and carries it into root and leaf, fixing deficiency that straight calcium cannot.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Which disorders does it correct?<\/summary>\n<p>Blossom-end rot (tomato), bitter pit (apple), tip burn (lettuce, cabbage), fruit cracking (citrus, strawberry) and general calcium shortage in fruit, vegetable and grain 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 in organic farming?<\/summary>\n<p>It is produced from quality raw materials, free of harmful chemicals and heavy metals, and meets relevant organic-input standards. Confirm your certification body at enquiry.<\/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 fertilizers?<\/summary>\n<p>Mixes with most neutral\/acidic fertilizers and pesticides. Do not mix with strong acid\/alkali; run a small 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 to prevent caking.<\/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 fulvic acid, Ca, 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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