Morgan, I often appreciate the links you post. This one is particularly interesting. Makes me rethink the importance of the parts of biodynamics that are about soil bacteria.
Gani
Intermountain (Cascades and Coast range) oak savannah, 550 - 600 ft elevation. USDA zone 7a. Arid summers, soggy winters
Brady and Weil--traditional soil science text--states that plant roots are so encrusted with bacteria, that no soil-plant interaction likely occurs without some bacterial mediation. And that we have no idea what this means.