Use of charcoal and wood carbonization by-products in agriculture: learning with “Terra Preta de Índio”

Author: Vinicius M. Benites, Etelvino H. Novotny, Wenceslau G. Teixeira, Beata E. Madari, Alexandre S. Pimenta, Patrick M. Trompowsky
Author Affiliation: Embrapa Soils, Brazil
Submitted: Fri, 11/07/2008 - 19:39
Published in: 2nd International Biochar Conference-IBI, Poster Session on September 8-10, 2008
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Copyright Status: Not disclosed

Description:

Brazil is the leading producer of charcoal in the world, being responsible for 38.5% of the world production.

During the traditional process of carbonization, around 35% of the wood carbon is
fixed in the charcoal and the rest is released to the atmosphere in smoke form and by non condensable gases (CO2, CO, CH4 etc..

The development of processes that allow the transformation of charcoal and its byproducts into compounds with appropriate characteristics Þsimilar to humic substances extracted from Anthropogenic Dark Earths (ADE) (“Terra Preta de Índio”), for the use as an organic conditioner, with high reactivity and stability, is highly desirable and strategic for agricultural and forest activities.

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