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Insoluble Humic Acid Round Granule Prill. Humic acid is formed by microbial degradation of dead biological substances, primarily leonardite. It consists of three main components: humic acid (HA), fulvic acid (FA), and humin (HM). Our product features humic acid content of 15%/50%/60% and NPK 14-0-1.

Key Applications:
In each granule, you receive over 12 kinds of nutrient substances:
| Appearance | Black Granule / Powder | Black Granule / Powder |
|---|---|---|
| Organic Matter (dry basis) | 85.0% min | 80.0% min |
| Humic Acid (dry basis) | 60.0% min | 50.0% min |
| Solubility | Insoluble | Insoluble |
| C.E.C | ≥200meq / 100g | ≥200meq / 100g |
| Moisture | 25.0% max | 25.0% max |
| Particle size | 2-4mm / 2-6mm | 2-4mm / 2-6mm |
| pH | 4-6 | 4-6 |





Our focus is on green agriculture and human health. We are committed to the development, production, and sale of high-quality humic acid products. We have achieved remarkable results in applications ranging from agriculture and feed farming to pharmaceutical and industrial grades.
Our agricultural product series includes humic acid base fertilizers, macronutrient humic fertilization, and fulvic acid foliage treatments. With over 15 years of experience in the field, we remain a reliable partner for customers worldwide, exporting to Europe, America, Japan, the Middle East, and Southeast Asia.
Lenavax Nutrition