Nice!
I'm working on a
permaculture experimentation facility thingie and one experiment I want to run is natural posts in the ground. I want to come up with as many approaches (old/new/inventive) to treat or protect a cedar post and see which does the best over the course of 10 years. If I can find
black locust (rare around here) I'll use that too. And maybe a "conventional" post as a control.
Some ideas:
backfill with gravel instead of sandy dirt
backfill with limestone gravel (different pH)
add
ash or lime or something else to the backfill sand to reduce microbial activity
shoshugi ban (probably spelled wrong)
treat the post with raw linseed oil and powdered charcoal (thx!)
dry posts (winter and summer cut)
fresh wet posts (winter and summer cut)
Scandinavian ore pine modification
any other permie-friendly things the old farmers say to try