How to Make Biochar from Coconut Husks and Fronds, for Better Toilets and Bigger Bananas We caught a ride on a sail powered cargo ship, learned how to gut a fish without a knife, and taught a small village how to make biochar with only a shovel and match.  My son and I were on adventure, fishing and surfing our … Continue reading Atoll Growing; biochar from coconut husks for better toilets and bigger bananas