Soil plays the most important role in the healthy growing of crops. Humic acid and fulvic acid are natural organic acids that exist naturally in soil. They come from the decomposition of plants, animals, and microorganisms, as well as soil microbial activity and substances like shale, coal, mudstone, etc.
Humic acid and fulvic acid are chelators to crops, which can bond with mineral materials to form organic chemicals which are easier to be absorbed by crops. Humic acid and fulvic acid can also help retain soil moisture and improve water penetration in soil. Humic acid and fulvic acid can also reduce toxic soil substances, thus reducing the quantity of harmful substances reaching the root.