Seavey Vineyards in St. Helena learned about the process from Napa County RCD and now produces its own biochar, which it mixes with compost they make onsite from goat and sheep manure, grape skins, and downed leaves.
Forget diamonds — Napa Valley’s farmers are chasing after a different kind of carbon-based rock. Biochar, a form of charcoal, has been used for thousands of years as a soil amendment in the Amazon basin, and now, vintners are advocating for its use here in California.
Seavey Vineyards in St. Helena learned about the process from Napa County RCD and now produces its own biochar, which it mixes with compost they make onsite from goat and sheep manure, grape skins, and downed leaves.