What Is Leonardite Powder (Humic-Acid-Rich Oxidized Lignite)? Applications, Dosage, Alternatives & Specifications
Last updated: 2026-11-14 · Agricultural Grade
- Quick facts
- Name
- Leonardite Powder (Humic-Acid-Rich Oxidized Lignite)
- Grade
- Agricultural Grade
- Certifications
- ISO 9001 · ISO 22000 · HACCP · FAMI-QS · Kosher · Halal · GMP · SGS
- Application areas
- 6
- Documentation
- COA · TDS · SDS
Overview
Leonardite Powder (Humic-Acid-Rich Oxidized Lignite) is a premium-quality product supplied by ZEAL BIOTECH under strict quality management with full batch traceability. Primary raw material for potassium/sodium humate and humic/fulvic acid production; applied directly to soil/compost as an organic-matter and humic-substance source to improve structure, nutrient retention and microbial activity; also used in drilling mud and as a binder; not itself a refined feed additive.
Applications
Drip & Fertigation
Fully soluble grades deliver balanced nutrition through irrigation systems.
Foliar Nutrition
Foliar sprays correct deficiencies quickly and support stress recovery.
Greenhouse Vegetables
Balanced NPK and micronutrient formulas for tomato, cucumber and pepper.
Fruit Orchards
Pre-bloom, fruit-set and fruit-development nutrition programs.
Nursery & Seedlings
Starter formulas support plugs, cuttings and transplants.
Stress Recovery
Biostimulant and micronutrient blends restore crop vigor.
Specification
| Item | Specification |
|---|---|
| Product Name | Leonardite Powder (Humic-Acid-Rich Oxidized Lignite) |
| CAS Number | N/A |
| Appearance | Dark brown/black fine powder |
| Grade | Agricultural Grade |
| Packaging | 25kg net fiber drum with PE liner |
| Shelf Life | 24 months |
Packaging & Storage
- Packing: 25kg net fiber drum with double PE liner.
- Sample: 100-500g free sample available.
- Storage: Keep in tightly closed packaging, cool, dry, well-ventilated. Protect from light and moisture.
- Shelf Life: 24 months from production date.
Quality & Certifications
Every batch tested by in-house QC lab. COA, TDS, SDS provided with each shipment.
Regulatory & Compliance
EU
Complies with EU regulations and FAMI-QS standards.
USA
Meets FDA and AAFCO requirements.
China
Registered under Chinese MOA regulations.
International
Kosher, Halal, ISO certified. FTA forms available.
Safety & Handling
- Hazard Class: Generally non-hazardous. Refer to SDS for details.
- Storage: Room temperature, dry, sealed. Avoid strong oxidizers.
- Transport: Non-dangerous goods. Standard sea/air freight.
- SDS: Available on request at sales@xadditive.cn.
Frequently asked questions
MOQ?
MOQ is 1kg for trial, 25kg for regular orders. Free samples available.
Shelf life?
24 months from production date when stored properly.
Certifications?
ISO 9001, ISO 22000, HACCP, FAMI-QS, Kosher, Halal, COA, SDS, TDS.
How to get quote?
Email sales@xadditive.cn with your requirement. Reply within 30 minutes.
Request a quote & COA
Ask for the current specification sheet, a COA sample and a bulk quotation — reply within 30 minutes on working days.