there is an interesting thread here with questions that need answereing
It is from ausergroup who want to use less chemical fertiliser.
SEE
http://groups.google.com/group/Fossil-Free-Landscaping/browse_frm/thread/f593a12c1c943bcd/#
Chris Shorb wrote:
. . .
2-Burning anything is toxic. Benzo-pyrene is a nasty chemical which
actually CAUSES cancer. Anytime we burn organic matter at normal low
temperatures (charcoal, bonfires, open flames, etc.) we create
benzo-pyrene exhaust. Smoking, barbecuing, campfire smoke, candle
Ecology
"Burning is bad for you" post
Submitted by Visitor on Tue, 2007-01-23 06:29.Managing Terra Preta: Modifications of an Agricultural System in a Nutrient-Poor Environment
Submitted by Tom Miles on Sun, 2007-01-21 04:26.Managing Terra Preta: Modifications of an Agricultural System in a Nutrient-Poor Environment
Laura A. German, Socio-Ecologist, African Highlands Initiative / World Agroforestry Centre, PhD, Department of Anthropology, University of Georgiai
