Use the Iwasaki charcoal-making kiln to make charcoal from forest thinnings.
Iwasaki MASATO, Ashikaga Institute of Technology College, Tochigi Prefecture, Japan

The Iwasaki charcoal kiln is made from two steel drum cans.
Since high temperature is used, it takes a very short time to make the charcoal.
Wood (diameter<5cm) charcoal takes less than 5 hours to make.
Bamboo charcoal takes less than 3 hours to make.
This charcoal-making kiln can make be used to make charcoal from corn cobs,

Chapter 12 - Recovery of by-products from hardwood carbonization
in FAO Simple Technologies for Charcoal Making, FAO FORESTRY PAPER 41 FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Rome, 1987

Partially burned material a boon to plants: Sandy (Oregon) resident sees biochar as a way to fertilize and capture carbon
By Garth Guibord, The Gresham Outlook, Mar 30, 2007

When most people see a pile of sticks and wood, all they see is sticks and wood. Sandy resident Paul Elmore, 39, sees possibilities. He sees biochar Running sports | Nike Air Force 1'07 Essential blanche et or femme - Chaussures Baskets femme - Gov

Charcoal Making
Rich Haard, Fourth Corner Nursery, Bellingham , Washington, March 31, 2007

Terrapreta interest group

Here is a set of images about our charcoal making project this weekend. It is a smothered pit method, first time for myself . We did open the lower end of the pit after 5 hours and take out about 40 gallons , then we put the unburned wood back in and recovered. We will be looking at it again in about 18 hours.