Biochar, a sustainably-produced charcoal from agricultural waste products, is ready to be applied to soil.

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Photo credit: © Matthew Bentley / Alamy / Afripics
License: Royalty Free
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Keywords: agriculture, amend, amendment, bamboo, barrel, biochar, black, burn, carbon, char, charcoal, chips, coal, compost, farm, fertilizer, fire, gas, gasifier, green, object, pile, pine, pyrolysis, residue, retort, shed, stick, sustainability, sustainable, technology, twig, wood