Mixture of Seaweed extract and humic acid (Liquid)
A mixed-formulation biostimulant in liquid form, notified under FCO Schedule VI. Key notified measures: Alginic acid ≥ 0.10 % w/w; Humic acid ≥ 5.0 % w/w. Notified for paddy (rice), sugarcane, chilli, tomato and cotton.
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Composition
As notified in the Gazette, ingredient by ingredient.
| Ingredient | Content | Limit | |
|---|---|---|---|
| i | Seaweed (Sargassum tenerrimum) extract per cent. by weight, minimum | 10.0% w/w | Minimum |
| ii | Humate compound (Source: Lignite) per cent. by weight, minimum | 10.0% w/w | Minimum |
| iii | Octyl phenol ethoxylate (surfactant) per cent. by weight, minimum | 0.2% w/w | Minimum |
| iv | Sodium lignosulfonate (dispersing agent) per cent. by weight, minimum | 2.2% w/w | Minimum |
| v | Sodium sulfate (stabilizer) per cent. by weight, minimum | 2.0% w/w | Minimum |
| vi | Benzisothiazolinone (preservative) per cent. by weight, minimum | 0.10% w/w | Minimum |
| vii | Humectant (Glycerol) per cent. by weight, minimum | 3.5% w/w | Minimum |
| viii | Water per cent. by weight | QS% w/w | Exact / specified |
| ix | Total (per cent.) | 100 | Exact / specified |
Specifications (label claims)
The parameters a sample must meet, with the Part D method used to test each one.
| Parameter | Notified value | Test method | |
|---|---|---|---|
| i | Alginic acid per cent. by weight, minimum | 0.10% w/w | Method 7: Detection and quantification of alginic acid |
| ii | Humic acid per cent. by weight, minimum | 5.0% w/w | Estimation of humic acid and fulvic acid |
| iii | pH (1 % aqueous solution) | 9.5± 0.5pH | Method 1: Estimation of pH |
| iv | Specific gravity | 1.08 ± 0.02Specific gravity | Method 2: Estimation of specific gravity |
| v | Total organic carbon per cent. by weight, minimum | 6.0% w/w | Method 4: Estimation of organic matter and organic carbon |
| vi | Solubility per cent. by weight. minimum | 98% w/w | Method 5: Estimation of water solubility |
| vii | Total dissolved solids per cent. weight by volume, minimum | 20% w/v | Estimation of TDS/TSS |
Crops and doses
The Gazette wording is what counts; per-acre figures use 1 hectare = 2.47105 acres.
| Crop | Gazette dose | Per acre, each application | Per acre, season |
|---|---|---|---|
| Paddy (rice) | Two foliar applications at 500 ml/ha | 202 ml | 405 ml |
| Sugarcane | Two foliar applications at 500 ml/ha | 202 ml | 405 ml |
| Chilli | Two foliar applications at 500 ml/ha | 202 ml | 405 ml |
| Tomato | Two foliar applications at 500 ml/ha | 202 ml | 405 ml |
| Cotton | Two foliar applications at 500 ml/ha | 202 ml | 405 ml |
Notification history
- 25 Mar 2026S.O. 1574(E): entry inserted
Official notifications: Ministry of Agriculture & Farmers Welfare, biostimulant circulars.
Before you buy or stock it
- Check that the product name, composition and crop on the pack match this page.
- Use only the notified dose for your crop; the calculator converts it to your area.
- Ask the seller for the batch number and expiry date, and keep the bill.
Questions about your crop? Ask our agri expert on WhatsApp.
Show more mixed formulations biostimulants 57 others in this category
Consolidated by NanoKheti from the Gazette of India notifications under Schedule VI of the Fertiliser (Inorganic, Organic or Mixed) (Control) Order, 1985, for reference. The Gazette text is authoritative; this page is not legal advice. Check the notification before labelling, licensing or buying. Covers notifications up to S.O. 1574(E) (25 Mar 2026); checked for later Schedule VI changes on 19 October 2026. Questions? Ask our agri expert on WhatsApp.