We are from china and we have factory focus on humic acid, so we can supply the best and the cheap humic acid to customer in the world.Hope to cooperate with you in future. Product benefits 1. Reduce soil erosion and improve workability of soil 2. Increase organic matter content of soil 3. Enhance soil cation exchange capacities 4. Prevent leaching of chemical fertilizers 5. Improve root system development Appearance Black granule Organic matter(dry basis) 70.0%min Humic acid(dry basis)45.0%min Nitrogen( organic)0.3% Fe0.1% P2o50.02% C.E.C300meq/100gmin Ph 4.0-6.0 Size rate100 mesh -