ROCK DUST
Rock dust and biochar were made for one another!
Volcanic rock dust, not to be confused with ground limestone, as it replaces the minerals in soil as opposed to adjusting the pH.
Volcanic rock dust, not to be confused with ground limestone, as it replaces the minerals in soil as opposed to adjusting the pH.
http://remineralize.org/a-rock-dust-primer_
http://binnsoilnutrients.com/wp-content/uploads/2011/02/Co-utilization-of-Rockdust-Mineral-Fines-and-Compost.pdf
http://binnsoilnutrients.com/wp-content/uploads/2011/02/Co-utilization-of-Rockdust-Mineral-Fines-and-Compost.pdf