I raise worms.
To do that I raise dense soil microbiology.
To do that I am scratch building soils.
Both Darwin and Tesla wrote about it, the wonders of dirt.
Super Soils for Global Warming, better living through dirt.
We have used up our dirt, degraded most of it, the only answer is build better dirt.
I am working on a Cellulose fueled chain bioculture,
Two foot deep, 50% organic material, digested by microbes, then again by worms, producing a black loam that holds water, feeds plants, and feeds me.
The base of the lifechain seems unstudied.