Dear list An average household of five use 2.7 kg charcoal per day for cooking. To make 2.7 kg of charcoal you need 10 kg of dry wood. 2.7 kg charcoal is 1 day cooking on a charcoal stove. 10 kg of chopped dry wood will give 3 days of cooking into a fuel efficient cook stove and in addition you will have 2,7kg charcoal or biochar left. With other words: the loss of energy by production of biochar will cover the need of household energy for cooking for the household of the farmers and in addition give the biochar needed for the soil improvement.
Regards Paal W
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