Process for preparation of liquid seaweed plant bio-stimulant (LSPB) from brown algae-sargassum

This is an indigenously developed seaweed-based biofertilizer technology converts fresh or dry brown seaweed biomass into a low-cost liquid fertilizer suitable for foliar and soil application. The process enhances crop yield by 13–28% and repurposes residues into cellulose and carbon materials, supporting import substitution and sustainable agricultural growth in India.