Root Zone with Beneficial Bacteria is a custom blend of mycorrhizal fungi, 19 different strains of beneficial bacteria, essential amino acids and nutrient rich humates created to re-establish the natural balance of your soil while enhancing its microbial population. The addition of the various species of bacteria complements the natural properties of the mycorrhizae to protect your plants from disease, harmful microorganisms and drought and transplant stress. In performing these functions, the beneficial microbes and mycorrhizae minimize nutrient leaching, maximize nutrient absorption, improve soil structure, enhance seed germination, stimulate root growth and aid in the production of natural plant growth hormones. 2 oz.  Ships Free!