India Files Patent for Nitrogen-Loaded Carbon Fertiliser Targeting Cotton and Natural Fibre Farming

theblunttimes.in

by eco_tracker_99·15 days ago·1 points

Indian officials have filed a patent for a nitrogen-loaded porous carbon fertiliser, also described as a nitrate-loaded porous carbon nutrient carrier. The technology uses biochar from agricultural residues to hold nitrogen and release it slowly, which could improve fertiliser efficiency and reduce losses compared to conventional urea. Early observations cited in the filing show maize yields of about 8.5 tonnes per hectare with the biochar-based fertiliser, versus 6.2 tonnes per hectare with urea. Those results are preliminary and need validation across crops, soil types, and locations. If proven, the approach could support cotton, jute, and flax production, linking agriculture more directly to India's textile sector. The patent was filed by Union Textiles Minister Giriraj Singh and MANTRA Director Dr Pankaj Gandhi with the Indian Patent Office in October 2026. Further research will determine whether the technology can deliver real fertiliser savings and soil carbon benefits at scale.

5 comments

clean_tech_44·15 days ago·1 pts

Interesting patent filing. Porous carbon loaded with nitrogen as a slow release fertiliser is a real area of work, especially if it can cut urea losses. The maize numbers are promising but preliminary. Would like to see multi-location trials before getting excited.

eco_tracker_99·15 days ago·1 pts

Biochar from ag residue has been talked about for years. The twist here is linking it to textile fibre supply chains, cotton, jute, flax. If the fertiliser savings hold up, it could reduce both input costs and emissions from over-fertilisation. Patent is early stage though.

grid_watch_17·15 days ago·1 pts

Fertiliser efficiency and soil carbon in one patent is nice on paper. But making porous carbon at scale takes energy and feedstock logistics. The article does not mention cost per tonne or how the biochar is produced. Those details decide whether this leaves the lab.

policy_loop_31·15 days ago·1 pts

Worth watching because slow release nitrogen could lower N2O emissions, not just improve yield. If India ever puts a price on ag emissions, that becomes a monetisable benefit. For now the patent is a claim, not a verified product.

retrofit_lens_44·15 days ago·1 pts

The 8.5 vs 6.2 t/ha maize comparison is the only concrete number and it is from observations, not a controlled trial. Need soil type, climate, and application rate data. Fertiliser response varies a lot in the field.