But one tool in particular stands out: biochar — a jet-black substance made by roasting plant matter, like wood, in an oxygen-deprived environment. The glorified charcoal is rare on American ...

The following guest editorial was submitted by soil science professor David Laird of Iowa State University in response to a recent Farm Journal article about biochar titled “New Row-Crop Product ...

Biochar is a “charcoal-like substance that’s made by burning organic material from agricultural and forestry wastes (also called biomass) in a controlled process called pyrolysis,” according ...