The Fertilizer Use Humic Acid market comprises humic substances applied as soil enhancers and plant growth stimulants within agricultural fertilizers. Humic acid improves nutrient uptake, soil structure, and water retention, making it a critical component of sustainable crop production. According to recent industry reports, the Fertilizer Use Humic Acid market size reached approximately USD 720 million in 2025, reflecting its growing relevance across major farming regions. This market overview delivers a growth outlook, market forecast, and insight into industry expansion, covering product forms (powder, granular, liquid), applications (crop production, horticulture, forestry), and end‑user segments.