The Ministry of Agriculture issued a notification through the Extraordinary Gazette and approved 34 new biostimulants, taking the total count to over 45.
- Biostimulants were first included in the Fertiliser Control Order (FCO) as a special fertiliser category in 2021.
- Schedule VI of the Fertilizer Control Amendment Order, 2021 makes it mandatory for manufacturers and importers to register biostimulants before selling them.
What Are Biostimulants?

- Biostimulants (also called Plant conditioners) are natural or biological products that help plants grow by improving nutrient absorption and resistance to stress.
- They include:
- Seaweed extracts
- Humic and fulvic acid formulations
- Protein hydrolysates and amino acids
- Vitamins and antioxidants
- Microbial and enzymatic biostimulants
- Beneficial fungi (e.g. mycorrhizae)
- Beneficial bacteria (e.g. Rhizobacteria)
- They enhance plant growth, improve tolerance to abiotic stresses, and increase yield and quality.
- Abiotic stresses include drought, salinity, cold, and extreme temperatures.
- These factors significantly reduce plant growth and food productivity.They also help reduce the need for fertilizers.
- They do not include pesticides or plant growth regulators, which are covered under the Insecticides Act, 1968.
- Biostimulants fit well with organic farming because they focus on keeping nature balanced, improving soil health, and using fewer artificial chemicals..
Benefits of Biostimulants
- Help plants fight climate challenges, including biotic (pests, diseases) and abiotic stress (drought, heat).
- Improve the absorption of existing soil nutrients.
- Reduce the need for chemical fertilisers.
- Provide stronger and healthier crops.
Fertilizer Control Order (FCO) 1985
- The Fertilizer Control Order (FCO) is a set of rules made by the government to control the production, quality, sale, and use of fertilizers in India.
- FCO sets rules for:
- Nutrient content (N, P, K levels).
- Physical features (like color, texture).
- Impurities and harmful substances.
- Proper labeling on fertilizer bags.
- Prevents the sale of low-quality or adulterated fertilizers that can harm soil and crops.

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