The brief
- Ash Tea organic nitrogen from almond shells, renewable energy, air and water; 92% lower emissions.
- Closed $50M Series B (Sept 2025, World Fund + Khosla); field trials show 30% yield increases.
- Delhi, CA facility breaking ground 2026; sold out through 2028; corn and wheat planned.
Technical approach
Recycled agricultural waste
Almond shells and crop residues replace fossil fuels in fertilizer production.
Nitrogen fixation with renewable power
Biomass + air nitrogen + water + renewable electricity = liquid nitrogen fertilizer.
Pathogen-free, animal-free
Heat-treated, certified organic, no animal ingredients, cost-competitive.
