Humik Asit mi, Fulvik Asit mi?

They're Thought to Be the Same Thing… But They Work Very Differently One of the most confusing things in agriculture is this: Humic acid… Fulvic acid… Are they the same thing? Many people look at the label and think: “They’re both organic matter…” But actually, humic and fulvic substances, can take on completely different roles in the soil. Let’s explain this today with a simple but very important example.