Learn how to make and operate biochar ovens from recycled material and how to prepare and condition the biochar for optimum benefits in your garden or farm. You will learn: * the multiple benefits of biochar * how agriculture could help the climate * how to build simple devices to make biochar * making biochar/compost/mineral blends * applying biochar to enhance soil fertility * biochar in vermiponics, hydroponics, aquaponics * financial benefits of biochar

Price: $15-$35