{"id":1479,"date":"2026-07-31T16:41:00","date_gmt":"2026-07-31T08:41:00","guid":{"rendered":"https:\/\/www.jingfenggroup.com\/blogs\/what-is-amino-acid-nitrogen-fertilizer\/"},"modified":"2026-09-23T21:28:44","modified_gmt":"2026-09-23T13:28:44","slug":"what-is-amino-acid-nitrogen-fertilizer","status":"publish","type":"post","link":"https:\/\/www.jingfenggroup.com\/vi\/blogs\/amino-acid\/what-is-amino-acid-nitrogen-fertilizer\/","title":{"rendered":"what is amino acid nitrogen fertilizer"},"content":{"rendered":"<figure class=\"jf-hero-wrap\"><img decoding=\"async\" class=\"jf-hero\" src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Amino_acid_nitrogen_fertilizer_2026-09-20T12-48-19.webp\" alt=\"what is amino acid nitrogen fertilizer\" style=\"width:100%;height:auto;border-radius:8px;margin:0 0 1.5rem\"><\/figure>\n<h2>What is Amino Acid Nitrogen Fertilizer?<\/h2>\n<p>Amino acid nitrogen fertilizer is a type of <strong>organic or bio-based fertilizer<\/strong> that uses <strong>amino acids<\/strong> (the building blocks of proteins) as a primary source of <strong>nitrogen (N)<\/strong> and other nutrients for plants. Unlike traditional synthetic nitrogen fertilizers (e.g., urea or ammonium nitrate), which provide nitrogen in inorganic forms like NH\u2084\u207a or NO\u2083\u207b, amino acid-based fertilizers deliver nitrogen in an <strong>organic, chelated form<\/strong> that&#8217;s directly derived from or composed of amino acids.<\/p>\n<h3>Key Components and How It Works<\/h3>\n<ul>\n<li><strong>Nitrogen Source<\/strong>: Amino acids contain nitrogen in their molecular structure (e.g., in the amino group -NH\u2082). Common amino acids used include glycine, glutamic acid, lysine, and others. The nitrogen content typically ranges from <strong>8\u201314%<\/strong> by weight, depending on the formulation.<\/li>\n<li><strong>Production<\/strong>: It&#8217;s often made by <strong>hydrolyzing protein-rich materials<\/strong> such as:<\/li>\n<\/ul>\n<p>&#8211; Animal by-products (e.g., feather meal, blood meal, fish emulsion).<\/p>\n<p>&#8211; Plant proteins (e.g., soybean meal, corn steep liquor).<\/p>\n<p>&#8211; Microbial fermentation or enzymatic breakdown.<\/p>\n<p>This process breaks proteins into free amino acids and small peptides.<\/p>\n<ul>\n<li><strong>Forms Available<\/strong>:<\/li>\n<\/ul>\n<p>&#8211; <strong>Liquid<\/strong> (foliar sprays or soil drenches).<\/p>\n<p>&#8211; <strong>Powder\/granular<\/strong> (for soil application).<\/p>\n<p>&#8211; Often combined with other nutrients like trace elements (e.g., chelated iron, zinc).<\/p>\n<h3>Benefits for Plants<\/h3>\n<p>1. <strong>Rapid Absorption<\/strong>: Plants can take up amino acids directly through roots or leaves (via stomata), bypassing the need to convert inorganic nitrogen into organic forms. This is especially useful under stress conditions (e.g., cold, drought, salinity).<\/p>\n<p>2. <strong>Stimulates Growth<\/strong>: Amino acids act as <strong>biostimulants<\/strong>\u2014they enhance photosynthesis, root development, enzyme activity, and hormone production (e.g., auxins, cytokinins).<\/p>\n<p>3. <strong>Improves Nutrient Efficiency<\/strong>: Reduces nitrogen leaching\/loss compared to synthetic fertilizers; promotes microbial activity in soil.<\/p>\n<p>4. <strong>Eco-Friendly<\/strong>: Lower environmental impact; suitable for organic farming (certified versions exist under standards like USDA Organic or EU Organic).<\/p>\n<p>5. <strong>Anti-Stress Effects<\/strong>: Helps plants recover from transplant shock, pests, or extreme weather by supporting protein synthesis.<\/p>\n<h3>Comparison to Traditional Nitrogen Fertilizers<\/h3>\n<p>|<\/p>\n<table style=\"border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Aspect<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Amino Acid Nitrogen Fertilizer<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Synthetic Nitrogen (e.g., Urea)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Nitrogen Form<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Organic (amino acids\/peptides)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Inorganic (NH\u2084\u207a, NO\u2083\u207b)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Absorption Speed<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Fast (direct uptake)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Slower (requires soil conversion)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Efficiency<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">High (less waste)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Variable (prone to leaching\/volatilization)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Environmental Impact<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Low (biodegradable)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Higher (runoff, greenhouse gases)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Cost<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Higher<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Lower<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Best For<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Organic crops, stress-prone plants, hydroponics<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">High-yield conventional farming<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Applications and Usage<\/h3>\n<ul>\n<li><strong>Crops<\/strong>: Vegetables, fruits, cereals, ornamentals, turfgrass.<\/li>\n<li><strong>Dosage<\/strong>: Varies by product (e.g., 1\u20135 L\/ha for liquids); always follow label instructions.<\/li>\n<li><strong>Examples of Commercial Products<\/strong>:<\/li>\n<\/ul>\n<p>&#8211; Aminogro, BioForge, Pepton.<\/p>\n<p>&#8211; Often labeled as &#8220;amino acid fertilizer&#8221; or &#8220;protein hydrolysate.&#8221;<\/p>\n<h3>Potential Drawbacks<\/h3>\n<ul>\n<li>More expensive than synthetic options.<\/li>\n<li>Lower total nitrogen concentration, so may need complementary fertilizers for heavy feeders.<\/li>\n<li>Quality varies\u2014look for products with verified amino acid profiles and no heavy metals.<\/li>\n<\/ul>\n<p>In summary, amino acid nitrogen fertilizer is a <strong>plant-friendly, sustainable alternative<\/strong> to chemical nitrogen sources, focusing on <strong>bioavailability and <\/strong><strong>biostimulation<\/strong> rather than just raw nutrient delivery. It&#8217;s popular in modern agriculture, especially for high-value or organic systems. If you&#8217;re using it, soil\/pH testing is recommended for best results!<\/p>\n<h2>Difference Between Amino Acid Nitrogen Fertilizer and (Traditional) Nitrogen Fertilizer<\/h2>\n<p>&#8220;<strong>Nitrogen fertilizer<\/strong>&#8221; typically refers to <strong>conventional\/synthetic nitrogen fertilizers<\/strong> (e.g., urea, ammonium nitrate, ammonium sulfate).<\/p>\n<p>&#8220;<strong>Amino acid nitrogen fertilizer<\/strong>&#8221; is a <strong>specialized organic\/<\/strong><strong>biostimulant<\/strong><strong> fertilizer<\/strong> where nitrogen is delivered <strong>bound within amino acids or peptides<\/strong>.<\/p>\n<p>Here&#8217;s a clear side-by-side comparison:<\/p>\n<table style=\"border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Aspect<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Amino Acid Nitrogen Fertilizer<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Traditional Nitrogen Fertilizer (e.g., Urea, Ammonium Nitrate)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Nitrogen Form<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Organic: Nitrogen is part of amino acids\/peptides (e.g., glycine-N)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Inorganic: NH\u2084\u207a (ammonium), NO\u2083\u207b (nitrate), or urea (CON\u2082H\u2084)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Source<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Hydrolyzed proteins (from soy, fish, feathers, blood, microbes)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Chemically synthesized (Haber-Bosch process for ammonia)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Nitrogen Content<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Lower: 8\u201314% N (diluted by carbon in amino structure)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Higher: 28\u201346% N (e.g., urea = 46%)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Plant Uptake<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Direct: Plants absorb amino acids intact via roots\/leaves<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Indirect: Must be converted by soil microbes into plant-usable forms<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Absorption Speed<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Very fast (hours), especially via foliar spray<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Slower (days), depends on soil microbes and moisture<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Primary Function<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Nutrient + Biostimulant: Boosts metabolism, stress resistance, root growth<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Nutrient only: Supplies raw N for protein\/chlorophyll synthesis<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Environmental Impact<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Low: Minimal leaching, biodegradable, supports soil life<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Higher: Risk of runoff, eutrophication, N\u2082O emissions<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Best Use Cases<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">&#8211; Organic farming &#8211; Stressed plants (drought, cold, transplant) &#8211; Hydroponics, greenhouses<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">&#8211; High-yield conventional crops &#8211; Cost-effective bulk feeding<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Cost<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Higher (3\u201310x more per kg of N)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Lower (commodity pricing)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Soil Health Effect<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Improves microbial activity, long-term soil fertility<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Can acidify soil over time, may harm microbes if overused<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Examples<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Aminogro, Pepton, BioForge, fish amino acid (FAA)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Urea (46-0-0), CAN (calcium ammonium nitrate), DAP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Key Takeaway:<\/h2>\n<ul>\n<li><strong>Traditional N fertilizer<\/strong> = <strong>High-dose, cheap, raw nitrogen<\/strong> \u2192 like giving plants &#8220;nitrogen pills.&#8221;<\/li>\n<li><strong>Amino acid N fertilizer<\/strong> = <strong>Low-dose, premium, bioactive nitrogen<\/strong> \u2192 like giving plants &#8220;pre-digested protein&#8221; that also acts as a growth booster.<\/li>\n<\/ul>\n<p>> <strong>Analogy<\/strong>:<\/p>\n<p>> Traditional N fertilizer is like eating pure sugar for energy \u2014 fast but no nutrients.<\/p>\n<p>> Amino acid N fertilizer is like eating a protein shake \u2014 energy + muscle repair + recovery.<\/p>\n<h2>When to Choose Which?<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Scenario<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Recommended Fertilizer<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Budget farming, large fields<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Traditional (urea, etc.)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Organic certification<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Amino acid (if certified)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Plants under stress (heat, salt, frost)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Amino acid (anti-stress effect)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Hydroponics or foliar feeding<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Amino acid (fast uptake, no residue)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Long-term soil health<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Amino acid or blended approach<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Pro Tip (for HK growers)<\/strong>: In humid subtropical climates like Hong Kong, <strong>amino acid fertilizers<\/strong> reduce nitrogen loss from heavy rain and support compact urban farming (e.g., rooftop greens). Combine with slow-release urea for balanced nutrition.<\/p>\n<h2>Frequently Asked Questions (FAQs) About Amino Acid Nitrogen Fertilizer<\/h2>\n<p>Below are the most common questions asked by farmers, gardeners, and urban growers (especially in <strong>Hong Kong<\/strong> and humid subtropical regions) about amino acid nitrogen fertilizer.<\/p>\n<h2>1. What exactly is amino acid nitrogen fertilizer?<\/h2>\n<p>> It\u2019s a <strong>bio-based fertilizer<\/strong> made from <strong>hydrolyzed proteins<\/strong> (broken down into amino acids and peptides). Nitrogen is <strong>organically bound<\/strong> in the amino group (-NH\u2082), unlike synthetic fertilizers where N is inorganic (e.g., urea).<\/p>\n<h2>2. Is it the same as regular nitrogen fertilizer like urea?<\/h2>\n<p>> <strong>No.<\/strong><\/p>\n<p>| Feature | Amino Acid N | Urea\/Synthetic N |<\/p>\n<p>|&#8212;&#8212;&#8211;|&#8212;&#8212;&#8212;&#8212;&#8211;|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;|<\/p>\n<p>| Form | Organic (amino acids) | Inorganic (NH\u2084\u207a\/NO\u2083\u207b) |<\/p>\n<p>| Uptake | Direct (no conversion needed) | Needs soil microbes |<\/p>\n<p>| Speed | Fast (hours) | Slower (days) |<\/p>\n<p>| Effect | Nutrient + biostimulant | Nutrient only |<\/p>\n<h2>3. How much nitrogen does it contain?<\/h2>\n<p>> Usually <strong>8\u201314% N by weight<\/strong> (e.g., 10% N = 100 g N per kg).<\/p>\n<p>> <strong>Lower than urea (46%)<\/strong>, but <strong>more efficient<\/strong> \u2014 plants use nearly all of it.<\/p>\n<h2>4. Can I use it for organic farming in Hong Kong?<\/h2>\n<p>> <strong>Yes \u2014 if certified.<\/strong><\/p>\n<p>Look for:<\/p>\n<ul>\n<li><strong>OMRI-listed<\/strong> (USA)<\/li>\n<li><strong>EU Organic<\/strong> or <strong>HKORC<\/strong> (Hong Kong Organic Resource Centre) approved<\/li>\n<\/ul>\n<p>Avoid products with synthetic additives or high heavy metals.<\/p>\n<h2>5. How do I apply it? (Foliar vs Soil)<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Method<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Dosage (example)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Best For<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Foliar spray<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">1\u20133 mL\/L water<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Fast boost, stress recovery, leafy greens<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Soil drench<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">2\u20135 L\/ha<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Root growth, long-term feeding<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Hydroponics<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">0.5\u20131 mL\/L<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Lettuce, herbs, no clogging<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Tip for HK<\/strong>: Spray <strong>early morning or late afternoon<\/strong> to avoid leaf burn in high humidity\/sun.<\/p>\n<h2>6. Does it work in hydroponics or rooftop farms?<\/h2>\n<p>> <strong>Excellent choice!<\/strong><\/p>\n<ul>\n<li>No salt buildup<\/li>\n<li>pH stable<\/li>\n<li>Direct uptake by roots<\/li>\n<li>Popular for <strong>lettuce, kale, <\/strong><strong>bok<\/strong><strong> choy<\/strong> in vertical farms.<\/li>\n<\/ul>\n<h2>7. Can it replace urea completely?<\/h2>\n<p>> <strong>Not for heavy feeders<\/strong> (e.g., corn, rice).<\/p>\n<p>> <strong>Best strategy<\/strong>:<\/p>\n<p>> &#8211; <strong>70% base N<\/strong> \u2192 slow-release urea or compost<\/p>\n<p>> &#8211; <strong>30% amino acid N<\/strong> \u2192 for growth spurts, stress, flowering<\/p>\n<h2>8. Is it safe for edible crops?<\/h2>\n<p>> <strong>Yes<\/strong> \u2014 derived from food-grade sources (soy, fish, etc.).<\/p>\n<p>> No withdrawal period needed.<\/p>\n<p>> Safe for <strong>home vegetable gardens<\/strong>.<\/p>\n<h2>9. Why is it more expensive?<\/h2>\n<p>> &#8211; Complex production (enzymatic hydrolysis)<\/p>\n<p>> &#8211; Lower N concentration<\/p>\n<p>> &#8211; Added biostimulant benefits<\/p>\n<p>> <strong>But<\/strong>: You use <strong>less volume<\/strong> and get <strong>better results under stress<\/strong>.<\/p>\n<h2>10. Does it smell bad? (Fish\/soy versions)<\/h2>\n<p>> Some <strong>fish amino acid (FAA)<\/strong> products have a <strong>strong odor<\/strong>.<\/p>\n<p>> Choose <strong>plant-based (soy\/corn)<\/strong> or <strong>odor-reduced<\/strong> versions for urban\/HK balcony use.<\/p>\n<h2>11. Can I make it at home?<\/h2>\n<p>> <strong>Yes \u2014 DIY Fish Amino Acid (FAA)<\/strong> (Korean Natural Farming method):<\/p>\n<p>> 1. Mix fish waste + brown sugar (1:1)<\/p>\n<p>> 2. Ferment 3\u20136 months<\/p>\n<p>> 3. Filter \u2192 dilute 1:1000 for use<\/p>\n<p>> <strong>Caution<\/strong>: Risk of pathogens if not fermented properly.<\/p>\n<h2>12. Will it burn plants if overused?<\/h2>\n<p>> <strong>Very low risk<\/strong> compared to urea.<\/p>\n<p>> Safe even at <strong>double recommended dose<\/strong> (but wasteful).<\/p>\n<h2>13. How long does it last in soil?<\/h2>\n<p>> <strong>Short-lived<\/strong>: 1\u20133 weeks (broken down by microbes).<\/p>\n<p>> \u2192 Apply <strong>every 7\u201314 days<\/strong> during growth phase.<\/p>\n<h2>14. Does it help in hot, humid Hong Kong weather?<\/h2>\n<p>> <strong>Highly effective<\/strong>:<\/p>\n<p>> &#8211; Reduces <strong>heat\/drought stress<\/strong><\/p>\n<p>> &#8211; Prevents <strong>nitrogen loss in heavy rain<\/strong><\/p>\n<p>> &#8211; Boosts <strong>disease resistance<\/strong> (e.g., powdery mildew on cucumbers)<\/p>\n<h2>15. Popular brands in Hong Kong\/Asia?<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Brand<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Type<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Available At<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Aminogro<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Liquid, plant-based<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Green shops, online<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Pepton 85\/16<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Powder, animal origin<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Agri suppliers<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Bio-N<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Fish\/soy blend<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Rooftop farm suppliers<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">KNF FAA<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">DIY or local<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Organic farming groups<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>16. Can I mix it with other fertilizers\/pesticides?<\/h2>\n<p>> <strong>Yes<\/strong> \u2014 compatible with:<\/p>\n<p>> &#8211; Seaweed extract<\/p>\n<p>> &#8211; Humic acid<\/p>\n<p>> &#8211; Most fungicides<\/p>\n<p>> <strong>Avoid mixing with<\/strong>: Copper-based sprays (may bind amino acids)<\/p>\n<h2>17. How do I know if it\u2019s high quality?<\/h2>\n<p>> Check label for:<\/p>\n<p>> &#8211; <strong>Free amino acid %<\/strong> (>50% ideal)<\/p>\n<p>> &#8211; <strong>Total N<\/strong> (8\u201314%)<\/p>\n<p>> &#8211; <strong>Heavy metals test<\/strong> (Pb, Cd, As < limits)<\/p>\n<p>> &#8211; <strong>Source<\/strong> (soy > fish > feather)<\/p>\n<h2>Quick Reference for HK Growers<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Crop<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Application<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Frequency<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Leafy greens (choi sum, lettuce)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Foliar 1:500<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Weekly<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Fruiting (tomato, chili)<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Soil + foliar<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Every 10 days<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Orchids \/ flowers<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Foliar 1:1000<\/td>\n<td style=\"border:1px solid #d9e9e9;padding:8px 10px;vertical-align:top\">Bi-weekly<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"jf-cta\">Interested in JINGFENG&#8217;s <a href=\"https:\/\/www.jingfenggroup.com\/amino-acid-products\/\">amino acid products<\/a>? Explore our full range of high-quality biostimulants and organic fertilizers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amino acid nitrogen fertilizer is a type of organic or bio-based fertilizer that uses amino acids (the building blocks of proteins) as a primary source of nitrogen (N) and other nutrients for plants. Unlike traditional synthetic nitrogen fertilizers\u2026<\/p>\n","protected":false},"author":1,"featured_media":1714,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219],"tags":[],"class_list":["post-1479","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amino-acid"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>what is amino acid nitrogen fertilizer<\/title>\n<meta name=\"description\" content=\"Amino acid nitrogen fertilizer is a type of organic or bio-based fertilizer that uses amino acids (the building blocks of proteins) as a primary source of\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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