Copperknight on Nostr: Walnut shells as Boucher? Anyone have an opinion if walnut shells would make OK ...

Walnut shells as Boucher?

Anyone have an opinion if walnut shells would make OK biochar? I have a small bag of old walnuts and was trying to think of something to do with them other than just tossing them in the compost bin. They don’t have the porous nature of wood, but I don’t know…
#biochar #grownostr