Insoluble Humic acid is formed by microbial degradation of the dead biological substances. Its specific properties and structure depending on a given sample source from water or soil to extract the specific…
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Product Overview
Insoluble Humic acid is formed by microbial degradation of the dead biological substances. Its specific properties and structure depending on a given sample source from water or soil to extract the specific conditions.Products we have are humic acid powder,granular humic acidand humic acid crystal.
Humus in soils and sediments can be divided into three main parts: humic acid (HA), fulvic acid (FA) and humin (HM). HA is soluble in alkali solution, but not soluble in water and acid, FA is soluble in alkali, soluble in water and acid; the HM is neither soluble in alkali, nor soluble in water and acids.
Technical Details
* 1Test Methods,GB/T 11957-2001 / ISO 19822 / HPTA / AAPFCO / IHSS Analysis method
| Appearance | Black Powder / Granule / Crystal | |
| Product code | JFHA-HA-1-P/G/C | JFHA-HA-2-P/G/C |
| Organic Matter (dry basis) | 85.0% min | 80.0% min |
| C.E.C | ≥250meq / 100g | ≥200meq / 100g |
| Free Humic Acid (dry basis)1 | 60.0% min | 50.0% min |
| Moisture | 25.0% max | |
| Particle size | 2-4mm / 2-6mm | |
| Fineness | 80-100 mesh | |
| Granule Radial Load | 12N | |
| pH | 4-6 | |
Recommended Applications
Agricultural Crops
Vegetables
Fruit Trees
Application Scope
*Other Scenarios: substrate cultivation, lawn & landscape greening, nursery production, and flower farming.
1. Soil Improvement (Primary)
Suitable for: Sandy/barren soil, heavy clay, saline-alkaline soil, continuous cropping obstacle soil.Method: Basal application (before plowing), mixed with organic/compound fertilizer for better effect.2. Crop Base Fertilizer
Suitable for: Field crops, fruit trees, vegetables, medicinal herbs, etc.Methods: Field crops – 450-750kg/hectare powder + compound fertilizer (basal); Fruit trees/vegetables – 50-100g granules per planting hole + organic fertilizer; Perennial crops – 1,200-1,800kg/hectare granules (autumn post-harvest).3. Targeted Scenarios
- Seedling substrate: Add 5%-10% (volume) powder to improve germination rate and seedling vigor.
- Saline-alkaline/degraded soil: 1,800-2,250kg/hectare granules + 750kg/hectare gypsum (saline-alkaline); 2,250-3,000kg/hectare (mine reclamation/wasteland).
II. Powder vs. Granules Selection
Trade script: “Powder is cost-effective for small-scale farming; granules suit large mechanized plantations and long-distance shipping (dust-free, easy to apply).”- No foliar spray (insoluble, causes leaf burn/clogged sprayers; soil application only).
- Irrigate after application to avoid soil compaction.
- Not a fertilizer substitute; use with NPK/compound/organic fertilizers.
- Suitable for pH 5.5-8.5; adjust acidic soil (pH<5.5) with lime first.
- Seal and keep moisture-proof; avoid mixing with acids; crush clumped granules for reuse.
| Soil Type | Powder Dosage (kg/hectare) | Granule Dosage (kg/hectare) | Frequency |
|---|---|---|---|
| Sandy/Barren | 750-1,200 | 1,200-1,800 | 1-2 times/year (Spring/Autumn) |
| Heavy Clay/Saline-Alkaline | 1,200-1,800 | 1,800-2,250 | 2 times/year (Deep + Shallow plowing) |
| Ordinary Farmland/Orchard | 450-750 | 750-1,200 | 1 time/year (Base fertilizer) |
| Feature | Powder | Granules | Recommended Clients |
|---|---|---|---|
| Convenience | Needs mixing; high uniform requirement | Direct application; mechanized-friendly | Smallholders (powder); large mechanized farms (granules) |
| Efficacy/Validity | Faster onset (1-2 weeks) | Longer validity (3-6 months) | Short-cycle crops (powder); long-cycle crops (granules) |
| Transport/Storage | Dusty; moisture-proof packaging needed | Dust-free; low loss | Domestic short-distance (either); international trade (granules) |
| Cost | Lower unit price | Higher cost but labor-saving | Cost-sensitive (powder); efficiency-focused (granules) |
Packaging & Storage
20kg 25kg bag
Jumbo ton bag
We offer a range of standard packaging solutions: 20kg, 25kg bags,and 1ton jumbo bags.Custom packaging services are also available. Our team will provide tailored recommendations based on your specific requirements to ensure proper storage and transportation, maintaining product integrity throughout the process.


Certifications & Compliance
- CERES (Confirmationfor Materials Used in Organic Agriculture)
- REACH (Green chemical innovation, permitted in the EU)
- ISO9001 / ISO14001 / ISO22000
- Heavy Metal Test Report from ISO certified lab
Safety Data Sheet / Technical Data Sheet
- MSDS (Insoluble humic acid material safety data sheet)
- TDS (Insoluble humic acid material safety data sheet)
Successful Cases
CaseSaline-Alkali Soil Remediation (Kezuohouqi, Inner Mongolia, China)
Water-insoluble granular humic acid amendment | Application: 60 hectares, 150-250 kg/hectare (broadcast & rotary till mixed) | Results: Rice yield increased 108.7%-118% (3,027→6,317-6,599 kg/ha); soil pH dropped from 9.5+ to 7.5-8.0; 30% lower remediation cost.
CaseSoda Saline-Alkali Soil Transformation (Heilongjiang/Jilin, China)
Lignite-based water-insoluble humic acid conditioner | Application: 1,800-2,250 kg/hectare | Results: Zhaoyuan (Heilongjiang): rice yield 323% increase (915→2,959 kg/ha); Da'an (Jilin): 3,922% increase (59→2,314 kg/ha); long-term effect (3-5 years).
CaseGrape Orchard Soil Enhancement (Zhejiang, China)
Water-insoluble humic acid powder (60% content) | Application: 450 kg/hectare (autumn post-harvest, mixed with organic fertilizer 1:3) | Results: Soil pH 5.78→6.55; water-holding capacity +20%; grape yield +18% (18,600→22,000 kg/ha); sugar content 16%→19%.
CaseGinger & Garlic Yield Improvement (Shandong, China)
Water-insoluble humic acid granules (65% content + microbial inoculant) | Application: Ginger 1,500 kg/ha (base fertilizer); Garlic 1,200 kg/ha (pre-planting) | Results: Ginger yield +40% (45,000→63,000 kg/ha); garlic yield +25% (30,000→37,500 kg/ha); root rot/blight reduced 40%-60%.
CaseTobacco Quality & Profit Enhancement (Yunnan, China)
Water-insoluble humic acid powder + NPK blend | Application: 750 kg/ha humic acid + 300 kg/ha NPK (base fertilizer) | Results: Tobacco yield +20.8% (1,880→2,250 kg/ha); profit +43.6% ($4,268→$6,127/ha); high-grade leaves 52%→67%.
CaseHeavy Metal-Contaminated Soil Remediation (China)
Modified water-insoluble humic acid powder | Application: 2,250-3,000 kg/ha (incorporated 20cm deep) | Results: Wheat grain cadmium content -81.77% (0.35→0.064 mg/kg, meets food safety); soil available cadmium -65%; yield +10-15%. 2. Core Implementation Tips Soil application only; no foliar spray (insoluble in water). Irrigate thoroughly after application (moisten 20cm soil depth) to activate binding. Mix with organic fertilizer (1:3) for best effect; replace 20-30% chemical fertilizer. Optimal timing: early spring/autumn; apply as base fertilizer for annual crops.
Case 1: Saline-Alkali Soil Remediation (Kezuohouqi, Inner Mongolia, China)Product: Water-insoluble granular humic acid amendment | Application: 60 hectares, 150-250 kg/hectare (broadcast & rotary till mixed) | Results: Rice yield increased 108.7%-118% (3,027→6,317-6,599 kg/ha); soil pH dropped from 9.5+ to 7.5-8.0; 30% lower remediation cost.
Case 2: Soda Saline-Alkali Soil Transformation (Heilongjiang/Jilin, China)Product: Lignite-based water-insoluble humic acid conditioner | Application: 1,800-2,250 kg/hectare | Results: Zhaoyuan (Heilongjiang): rice yield 323% increase (915→2,959 kg/ha); Da’an (Jilin): 3,922% increase (59→2,314 kg/ha); long-term effect (3-5 years).
Case 3: Grape Orchard Soil Enhancement (Zhejiang, China)Product: Water-insoluble humic acid powder (60% content) | Application: 450 kg/hectare (autumn post-harvest, mixed with organic fertilizer 1:3) | Results: Soil pH 5.78→6.55; water-holding capacity +20%; grape yield +18% (18,600→22,000 kg/ha); sugar content 16%→19%.
Case 4: Ginger & Garlic Yield Improvement (Shandong, China)Product: Water-insoluble humic acid granules (65% content + microbial inoculant) | Application: Ginger 1,500 kg/ha (base fertilizer); Garlic 1,200 kg/ha (pre-planting) | Results: Ginger yield +40% (45,000→63,000 kg/ha); garlic yield +25% (30,000→37,500 kg/ha); root rot/blight reduced 40%-60%.
Case 5: Tobacco Quality & Profit Enhancement (Yunnan, China)Product: Water-insoluble humic acid powder + NPK blend | Application: 750 kg/ha humic acid + 300 kg/ha NPK (base fertilizer) | Results: Tobacco yield +20.8% (1,880→2,250 kg/ha); profit +43.6% ($4,268→$6,127/ha); high-grade leaves 52%→67%.
Case 6: Heavy Metal-Contaminated Soil Remediation (China)Product: Modified water-insoluble humic acid powder | Application: 2,250-3,000 kg/ha (incorporated 20cm deep) | Results: Wheat grain cadmium content -81.77% (0.35→0.064 mg/kg, meets food safety); soil available cadmium -65%; yield +10-15%.
2. Core Implementation Tips
- Soil application only; no foliar spray (insoluble in water).
- Irrigate thoroughly after application (moisten 20cm soil depth) to activate binding.
- Mix with organic fertilizer (1:3) for best effect; replace 20-30% chemical fertilizer.
- Optimal timing: early spring/autumn; apply as base fertilizer for annual crops.



