Conquistadors, cannibals and climate change. A brief history of biochar.

http://www.pronatura.org/wp-content/uploads/2012/07/History-of-biochar.pdf

 

From Conquistadors to soil scientists, the evolution of terra preta into biochar is

a bizarre and intriguing story. Progress has been slow and sporadic, yet

research from the past decade hints at what could be a very exciting future. A

new adventure is beginning.

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