Name :Humic acid Trait Black powder Name Humic acid powder TraitBlack powderQuality indexHA(dry) ¡Ý 60%, organic matter ¡Ý 70% Moisture:15-20%(summer) ,20-30%(winter)Specification0 ... be made into all kinds of compound fertilizer, It is main material of organic fertilizer , compound fertilizer.Improve the soil, to make the soil ...