Humicharvest, Inc. is a family held and funded corporation dedicated to producing the highest quality organic health products on the world market. Humic Harvest is a manufacturer and bulk supplier of WEFHAS certified humic acid in the USA. We offer the best quality of Humic Acid on the market. Humic acids increase the water infiltration and water-holding capacity of the soil. Humic acids are known to stimulate beneficial soil microbes.