I was talking to Kempf at Sacramento Acres conference 2022 and he indicated that the best? Or most intrestingly beneficial
BioChar Data was a recent French study that had infused the
wood stock with Iron? and maybe other things BEFORE turning it into biochar. Of
course we were walking and i forgot the Lady? Researchers name. I recall French and in last couple years. Nothing in Google Scholar searches so far.
If anyone sees it... or Parlay's the French and can give us the bits… I'm interested.