Protein & amino acidsFCO Schedule VILiquid

Amino acid (L- Proline) 1.72 % (Liquid)

A protein hydrolysate and amino acid biostimulant in liquid form, notified under FCO Schedule VI. Key notified measures: L-Proline ≥ 1.72 % w/w; Total organic carbon ≥ 6.03 % w/w. Notified for maize and cotton.

Category5 · Protein & amino acids

Serial no.46

FormLiquid

Notified inS.O. 1574(E), 25 Mar 2026

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Composition

As notified in the Gazette, ingredient by ingredient.

	Ingredient	Content	Limit
i	L-Proline per cent. by weight, minimum	1.72% w/w	Minimum
ii	Potassium phosphate tribasic anhydrous per cent. by weight, minimum	2.50% w/w	Minimum
iii	Phosphoric acid (1 M) per cent. by weight, minimum	3.97% w/w	Minimum
iv	Propylene glycol per cent. by weight, minimum	36.84% w/w	Minimum
v	Water per cent. by weight	QS% w/w	Exact / specified
vi	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	L-Proline per cent. by weight, minimum	1.72% w/w	Free/specific amino acid analysis
ii	pH (1% aqueous solution)	8.63 ± 0.5pH	Method 1: Estimation of pH
iii	Specific gravity	1.05 ± 0.02Specific gravity	Method 2: Estimation of specific gravity
iv	Total organic carbon per cent. by weight, minimum	6.03% w/w	Method 4: Estimation of organic matter and organic carbon
v	Solubility per cent. by weight, minimum	100% w/w	Method 5: Estimation of water solubility

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
Maize	Two foliar applications at 500 ml/ha	202 ml	405 ml
Cotton	One foliar application at 500 ml/ha	202 ml	202 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.

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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.