Organic certification audits fail on inputs, not on intentions. If you sell into the EU or into an organic horticulture programme, the humic acid you buy has to be mineral-derived, listed for use, and traceable back to a physical batch with a heavy metal panel. This grade is produced to that requirement: 85% humic acid from a single oxidised leonardite pit in Ningxia, OMRI listed for organic production, and formulated to sit inside EU Regulation 2019/1009 as a mineral-derived organic soil improver.
The lot discipline is the part buyers care about most. Every batch has a mining reference, a granulation or milling date, a heavy metal panel measured against the EU limits, an organic carbon figure, and a retained sealed sample kept for 24 months. When your certifier asks for evidence on an input used two seasons ago, we can pull the retained sample and the original COA for that exact batch code, not just a generic product sheet. For export horticulture programmes in Vietnam and Thailand that supply EU supermarkets, that traceability is worth more than a discount per ton.
We supply it as a 99% soluble 100 mesh powder, so it works both in fertigation and as a dry blend with organic-approved carriers. Rates are typical for a soil improver: 20-50 kg per hectare per season, or 3-5 kg per cubic metre in a potting mix. For a first order we usually send a 1kg sample with the batch code and COA attached so your certifier can review the paperwork before you commit to a container.
Key Features
- OMRI listed for organic production: Input reviewed and listed, so it can be used in certified organic systems without a derogation request
- EU 2019/1009 compliant positioning: Mineral-derived organic soil improver documentation aligned with the current EU fertilising product regulation
- Single-pit traceability: Every bag carries a lot code linked to the mining reference, production date and retained sample
- Heavy metal panel below EU limits: Cadmium and lead results included per batch, not per year
- 99% soluble 100 mesh powder: Usable for both fertigation injection and dry blending without a separate grade
- 24 month retained samples: Supports audit queries from certifiers and buyers on historical lots
Technical Specifications
| Parameter | Specification |
|---|
| Appearance | Black fine powder |
| Humic Acid (dry basis) | 85% min |
| Organic Carbon | 50% min |
| Water Solubility | 99% min |
| Particle Size | 100 mesh, 98% pass |
| Moisture | 10% max |
| Cadmium | Below 1.5 mg/kg |
| Lead | Below 30 mg/kg |
| Source | Oxidised leonardite, Ningxia, single pit, lot coded |
Applications
Soil application: 20-50 kg per hectare per season, broadcast and incorporated or injected through the irrigation line. Potting and substrate: 3-5 kg per cubic metre of growing media. Foliar in organic programmes: 0.5-1 g per litre with an approved sticker, applied early morning. Compatible with organic-approved seaweed, molasses and microbial inputs.
Keep the documentation tied to the bag: never decant into unlabelled bags if the product is going to a certified farm, because the auditor will want the lot code. Store under cover, on pallets, sealed; this grade is hygroscopic like any 99% soluble powder.
Packaging, Documentation & Quality Assurance
Packed in 25kg multiwall bags with PE liner, 40 bags per pallet, and 500kg jumbo bags for smaller organic operations. Neutral bags are standard; private label printing is available with your certification marks only where your own certificate permits.
The document pack issued with each shipment includes the COA, heavy metal panel, organic input listing reference, non-GMO and no-sewage-sludge statements, milling date and lot code. Retained samples are stored 24 months. Pre-shipment samples with matching lot codes are available by courier, and third-party inspection at Qingdao can be arranged before loading.
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