Leonardite Humic Acid 75% Made in Iran
Iranian leonardite is a naturally oxidized form of lignite coal rich in humic acid (up to 43%) and fulvic acid (up to 32%), with total humic substances reaching 75%. This organic mineral, also known as brown coal or oxidized lignite, is a highly effective soil conditioner and organic fertilizer that improves soil structure, increases nutrient uptake, and stimulates plant growth. It is widely used in agriculture, horticulture, organic farming, and as a raw material for liquid humic acid and potassium humate production. The product is available in first grade and premium grades, packaged in 40 kg bags.
The Supply Chain Department at Sahi Rasa Company supplies Iranian leonardite for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria. Whether for soil conditioning, organic fertilizer production, or liquid humic acid manufacturing, the department ensures reliable supply, competitive pricing, and comprehensive logistics support.
1. Introduction to the Supply Chain Department at Sahi Rasa Company
The Supply Chain Department at Sahi Rasa Company is a specialized unit in Iran responsible for sourcing, procurement, and export of agricultural and mineral products, including high-quality leonardite. This department manages the entire supply chain — from sourcing raw leonardite from qualified deposits to delivering finished, quality-certified material to agricultural operations and fertilizer manufacturers abroad. By leveraging extensive experience in mineral processing and international trade, the department ensures that every shipment of leonardite meets the technical specifications demanded by the agriculture and horticulture industries.
For clients in Afghanistan, the Kurdistan Region, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria, the Supply Chain Department at Sahi Rasa Company offers flexible supply programs, technical consultation, and comprehensive logistics support. Whether you require leonardite for soil conditioning or raw material for liquid humic acid production, the department ensures that your order is fulfilled accurately and on time.
2. Product Overview
Leonardite, also known as oxidized lignite or brown coal, is a naturally occurring mineral formed from the oxidation of lignite coal. It is characterized by its high content of humic acid and fulvic acid, which are complex organic molecules that play a crucial role in soil fertility and plant nutrition. Leonardite is a rich source of organic matter, typically containing 40%–90% humic substances, along with trace elements and minerals.
The primary application of Iranian leonardite is as a soil conditioner and organic fertilizer. When applied to soil, humic and fulvic acids improve soil structure, increase water-holding capacity, enhance cation exchange capacity (CEC), and stimulate microbial activity. They also chelate essential nutrients, making them more available to plants, and promote root development and overall plant growth. Leonardite is used in conventional and organic farming, horticulture, landscaping, and turf management. It is also a key raw material for the production of liquid humic acid concentrates, potassium humate, and other humic-based fertilizers.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | Leonardite (Oxidized Lignite) |
| Synonyms | Brown Coal, Oxidized Lignite, Humalite |
| Appearance | Dark brown to black, soft-sandy granules or powder |
| Humic Acid Content | 40 – 43% |
| Fulvic Acid Content | 30 – 32% |
| Total Humic Substances | ≥ 75% |
| Organic Matter | ≥ 85% |
| pH | 4.0 – 6.0 |
| Moisture Content | ≤ 20% |
| Particle Size | Powder or granular (customizable) |
| Packaging | 40 kg bags, 1 MT jumbo bags |
4. Chemical Specifications Table
| Component | Content (%) |
|---|---|
| Humic Acid | 40 – 43 |
| Fulvic Acid | 30 – 32 |
| Total Humic Substances | ≥ 75 |
| Organic Matter | ≥ 85 |
| Nitrogen (N) | 1.0 – 2.0 |
| Phosphorus (P₂O₅) | 0.1 – 0.5 |
| Potassium (K₂O) | 0.5 – 1.5 |
| Calcium (CaO) | 1.0 – 3.0 |
| Magnesium (MgO) | 0.5 – 1.5 |
| Iron (Fe) | 0.5 – 2.0 |
| Ash Content | ≤ 15% |
5. Industries & Factories Using This Product
Iranian leonardite is utilized across several key industries. Major consumers include fertilizer manufacturers, agricultural operations, horticulture and greenhouse producers, landscaping and turf management companies, and organic farming operations. The Supply Chain Department at Sahi Rasa Company serves these sectors by providing consistent, high-quality leonardite that meets the specific requirements of each application.
6. Key Properties & Advantages
Iranian leonardite offers high humic and fulvic acid content (total ≥ 75%), excellent soil conditioning properties, enhanced nutrient chelation and availability, improved soil structure and water-holding capacity, stimulation of beneficial microbial activity, promotion of root development and plant growth, and suitability for both conventional and organic farming.
7. Chemical Formula / Size & Packaging Specifications
Leonardite is a complex, naturally occurring organic material and does not have a single chemical formula. Its primary active components are humic acid and fulvic acid. CAS Number: 68514-27-4. Packaging Options: 40 kg multi-wall paper bags with inner PE liner, 1 MT jumbo bags with discharge spouts, and custom packaging upon request.
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade | Humic Acid Content | Total Humic Substances | Typical Application |
|---|---|---|---|
| First Grade | ≥ 40% | ≥ 70% | Soil conditioning, fertilizer production |
| Premium Grade | ≥ 43% | ≥ 75% | Liquid humic acid, high-value crops |
Quality Grades: Technical Grade for agricultural applications. Custom Options: Custom particle sizes and packaging available upon request.
9. Sahi Rasa Supply Chain Department Services for International Factories
The Supply Chain Department at Sahi Rasa Company provides end-to-end supply chain services for international agricultural operations and fertilizer manufacturers procuring Iranian leonardite.
Monthly & Weekly Supply Planning: The department collaborates with client operations to establish supply schedules based on application seasons, production forecasts, and inventory levels.
Sourcing & Procurement: The procurement team conducts rigorous supplier qualification, evaluating humic acid content, organic matter, and processing capability.
Sample Dispatch: Clients can request free or commercial samples of leonardite, accompanied by a Certificate of Analysis (COA).
Custom Manufacturing (OEM/ODM): The department coordinates OEM/ODM production with qualified processing partners for custom particle sizes, packaging, and private labeling.
Pre-Shipment Quality Control: The department implements pre-shipment quality control at the supplier's facility before loading. The QC team verifies humic acid content, fulvic acid content, moisture content, and particle size distribution.
Loading & Handling: Professional loading and handling procedures protect product integrity during container stuffing.
Export Documentation: The department prepares and manages all export documentation required for leonardite shipments.
International Transportation: The department arranges international transportation via sea freight (FCL/LCL), air freight, or land transport.
Export Customs Clearance: Customs brokers handle export customs clearance at ports and border crossings.
Import Customs Clearance: For clients requiring support at destination, the department can arrange import customs clearance through trusted local partners.
On-Site Technical Team Deployment: For large-scale agricultural operations, the department can deploy a technical team to the client's site to supervise unloading, storage, and application.
Training & Knowledge Transfer: The department offers training programs covering proper handling, storage, and application of leonardite for soil conditioning and fertilizer production.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
The Supply Chain Department at Sahi Rasa Company offers reliable Iranian supply of high-quality leonardite, quality assurance with pre-shipment QC and full documentation, flexible logistics solutions, comprehensive services from sampling to after-sales technical support, competitive pricing, and regional expertise in markets including Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria.
11. Ordering & Contact Information
International customers can place orders through the Request for Quotation (RFQ) form located at the bottom of this page. The expert team at the Supply Chain Department at Sahi Rasa Company will respond to all inquiries as soon as possible, providing complete information on pricing, delivery schedules, shipping terms, and export documentation.
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