In the last few years, I’ve had a number of people ask me about biochar: what is it and what does it do? Should they add it to their garden? Should they make their own biochar? So while the subject deserves a longer review, I thought it would be useful to discuss it briefly on the blog.
In the strictest sense, “biochar” refers to charcoal that’s made as a byproduct of biofuel production. Various crop residues, livestock manures, and just about any other organic material you can imagine has been studied for this purpose. … Continue reading this article “Should we use biochars in our gardens?”




