The box I cobbled together from old pallets, dirt is a mix of potting soil and local dirt spiced with chicken poo.
For the more observant viewers, you may notice that the closest 'V' is slimmer than the upper square -- the pallets were a little short. I plan to plant smaller vegetables in those areas.
No more than they normally do. They've done studies on this. There's no extra copper in the plants due to the presence of this pressure treatment on the wood using copper azole
I never said there was…
There’s also additional chemicals to just the copper dude….
Copper is a macronutrient, you want in your soil. So I don’t know what point you’re trying to make here?