One anecdotal thing Ive heard about is that autos prefer a long tap root. Hitting bottom causes them to start flowering.
Closer to home, I grew some NL autos in both size/shape pots. The in the taller thinner pot plant was twice the size with twice the yield. Could be a total fluke - there...
Blew Im wondering about chemical transfer from the buckets to the plant material.
Any thoughts? Would hate for your monster crop to get contaminated.
Lots of articles that say this:
It is a food-grade plastic that is safe for storing perishable goods such as milk, but it is not designed for...
I have 2 summers growing NL autos outside. While milder/weaker than the smell from many cultivars, its not odorless.
I have gone somewhat nose blind to the terpenes, but visitors confirm there is lots of smell.
I hope you can update from time to time. Its very interesting what you are doing here.
Like many others I have no knowledge or experience with something like this so I cant answer any of the questions.