Dusting the root ball with a mycorrhizal inoculant when moving CBD seedlings into their final pot gives the fungi direct contact with the roots and improves phosphorus uptake through flower. The benefit is modest in rich living soil and larger in coco or reused mix. What the amendment guide on
https://calmcbdseeds.com clarifies is that high phosphorus bottled nutrients kill the relationship, so the inoculant only pays off with lighter feeding. Cheaper generic garden products work fine, since the species are the same as in cannabis branded jars.
