Several university laboratories are still actively researching biochar and provide snapshots of the current thinking regarding its usefulness: https://whitmanl

Several university laboratories are still actively researching biochar and provide snapshots of the current thinking regarding its usefulness: https://whitmanlab.soils.wisc.edu/faqs/ https://whitmanlab.soils.wisc.edu/faqs/ http://www.css.cornell.edu/faculty/lehmann/research/biochar/biocharmain.html http://www.css.cornell.edu/faculty/lehmann/research/biochar/...