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Roots Organics Oregonism XL -- 6 lbs
A distinctive super-soluble formulation of endo/ecto-mycorrhizae, beneficial bacteria, and Trichoderma. Mycorrhizae colonize the root zone, forming a symbiosis with the plant’s roots, massively increasing the size and effective surface area, facilitating greater nutrient uptake, resistance to disease, and increased tolerance to drought.