:) my advice is always to limit the things you use, and if you make changes, make one change at a time. this way you can see the impacts or not. if you just go about adding everything, its neigh on impossible to now what might have happened.
Know the first point of all investigation should be the environmental parameters. more often a simple tweak here, say adding some humidity, or removing some, adding some heat, removing some, re setting the light at a more reliable height from the canopy, making sure there is sufficient water moisture in the soil profile, adding some mulch or a living cover companion to retain moisture, lower UV impacts on top soil and so on.
I find borage, phacelia etc to be most excellent companions of cannabis :)
I use sunflowers, clovers, rye, fescue and so on between grows, these seem to share some common biology that suits developing cannabis in the case of sunflowers and the rye and fescue is highly mycorrhizal helping to bridge the N fixed by the clover in to the soil system,, so that it can be mined by CO2 respiring roots and microbes by combining the CO2 with water which creates a mild acid which of course our cannabis prefers.
Mycorrhizal soils are known to hold water with a higher efficiency, so helping avoid drought and so on. The Mycos release organic acids, humic and fulvic compounds whose complex structures and capacity for electron donor/ transfer are able to capture passing capillary water molecules, rolling them up for future use, helping prevent water loss. it is thought that these myco dominant soils, are able to hold up to 40 times more water, than non/ low count myco media. You find this low count media anywhere a plough or tilling machine has been :)
Once you know you have the right temps day and night, the correct humidity to go with the temps, growing plants is really easy. they want to grow, its their mission and its deeply embedded in the DNA and that of the DNA of a wide range of supporting actors. They posses a remarkable set of tools, they can mix and match these to assimilate growth or defense promoting compounds without our help.
So long as we have good roots, good soil and an understanding of the critical role of water balance, we really ought not to need more.
Do add inoculates to boost the specialist microbes you will need, you should only need to do this once. It should not cost lots of money, but do buy quality. There are many good ones, but lots of others which are white labeled and probably not great to begin with, try to go for a standardized or certified product, or one you know from friends that works. use worm poo or living worms, better still, the MBP will help maintain fungal mass. Fungus are the great conductors of the soil symphony IMO, they will recruit the necessary bacteria, and help to keep the risk vectors at a minimum for you :)
Anyway, like it or not, all plants and I suppose all people too are part fungus :)
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www.sciencenews.org/article/theyre-all-part-fungus