Down To Earth 2 oz. Granular Root Zone Mycorrhizal Fungi New and improved super concentrated combination of 16 species of mycorrhizal fungi, 2 species of Trichoderma, 12 species of bacteria, organic nutrients and humic acids. A powerful blend of microorganisms and food resources designed to stimulate and energize the living soil. Easy to use granular composition for preparing garden soils, transplanting and inoculating soil mixes. Enhances root, shoot and plant development for increased vigor, growth and yields. The most diverse and effective biological product available that is approved for use in organic crop production.