FMI opines the humic and fulvic acid based biostimulants market was valued at USD 947.50 million in 2025. Sales are expected to reach USD 1.02 billion in 2026 and USD 2.19 billion by 2036. Humic acid is poised to lead by Product Type with 36.0% share in 2026 and Foliar application is estimated to command by Application in 2026.