Imagine this: You have a garden or yard full of trees. Each year you prune and cut dying branches to make room for new growth. Each autumn you rake in several pounds of dead leaves, fallen fruits and other garden “leftovers.” What are you going to do? Ordinarily, you would just leave them alone scattered on your yard, where they would just decay or be buried in winter frost. You probably would clear out a fallen branch or two as well.
How to make Biochar
- Clear your garden of all living, organic material.
- Dig a trench approx 12 inches deep.
- Use a fork to loosen and turn the soil at the bottom.
- Pile brush in the bottom of the trench, approx 8 inches deep.
- Light the brush on fire, and allow it to smolder until the smoke thins and turns bluish-gray.
- Cover lightly with an inch of dirt and le...