I really enjoyed the video! Great visuals and voice over.
Soil health is an incredibly important topic to me and I find it almost a duty to improve and protect my soils. Permies has been a great place to learn a variety of techniques to do just that.
There are a few more possibilities. See Jane Mt Pleasant's work with NE Native American methods of hill culture.
The first one is locked unless you have an account, but it's worth reading if you can find an open access version. The second one has pretty much the same material, but is open access.