fe.settings:getUserBoardSettings - non array given[kc] - Endchan Magrathea
Now that we are talking about charcoal.
Shouldn't forget wood ash. Breddy gud fertilizer, since contains nitrogen. Besides can help with soil acidity, since due to its basic pH (can be used to make lye), but this is plant specific, some prefers acidic soils. Sadly I've no list about this. I think.