Biologic Systems Granular Mycorrhizal contains the most widely studied Endo Mycorrhizal species, Glomus intraradices (recently reclassified as Rhizophagus irregularis), proven to provide Phosphorous fixation to plant roots through a symbiotic plant-microbial relationship. 95% of plant species form and benefit from Mycorrhizal relationships. Endo Mycorrhizae associates with 90% of plants, whereas the 5% that associate with Ecto are mainly evergreen trees. Biologic Granular Mycorrhizae comes in uniform granules for easy root or soil application. Contains 80 spores per cc. Product Sizes: 3 Lb. 20 Lb. 40 Lb.
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