Ascophyllum nodosum 22% (liquid)
A seaweed extract biostimulant in liquid form, notified under FCO Schedule VI. Key notified measures: Mannitol ≥ 0.1 % w/w; Total organic carbon 12 % w/w. Notified for cotton, soybean and tomato.
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Composition
As notified in the Gazette, ingredient by ingredient.
| Ingredient | Content | Limit | |
|---|---|---|---|
| i | Seaweed (Ascophyllum nodosum) extract per cent. by weight, minimum | 22 %% w/w | Minimum |
| ii | Water per cent. by weight | QS% w/w | Exact / specified |
| iii | 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 | Mannitol per cent. by weight, minimum | 0.1% w/w | Method 10: Estimation of mannitol |
| ii | pH (as such) | 3.0-4.0pH | Method 1: Estimation of pH |
| iii | Total organic carbon, per cent. by weight | 12% w/w | Method 4: Estimation of organic matter and organic carbon |
| iv | Total dissolved solids per cent. by weight, minimum | 33% w/w | Estimation of TDS/TSS |
| v | Specific gravity | 1.23Specific gravity | Method 2: Estimation of specific gravity |
| vi | Solubility per cent. by weight, minimum | 100% w/w | Method 5: Estimation of water solubility |
Tolerance (Schedule VI Part B, S.O. 3922(E)): Seaweed Extract: Ascophyllum nodosum, Sargassum, Kappaphycus, Gracilaria and Ulva: 5% of the specified value of active ingredients or the tracer molecule.
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 |
|---|---|---|---|
| Cotton | Three foliar applications at 625 ml/ha | 253 ml | 759 ml |
| Soybean | Two foliar applications at 625 ml/ha | 253 ml | 506 ml |
| Tomato | Three foliar applications at 625 ml/ha | 253 ml | 759 ml |
Notification history
- 13 Aug 2025S.O. 3741(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.
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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.