Roots Organics Oregonism XLRoots Organics Oregonism XL is a distinctive super soluble blend of select beneficial fungi Vesicular Arbuscular Mycorrhizae (VAM), beneficial Bacillus bacteria, Pseudomonas bacteria, and humic acids. The species of microorganisms are specifically selected for fruiting and flowering plants with a tolerance to heavy fertilizing. Mycorrhizae colonize the root zone, forming a symbiosis with the plants roots, massively increasing the size and effective