A closeup of blackened granular biochar being sifted through a mesh screen.
Schlüsselwörter
closeup,
blackened,
granular,
sifted,
mesh,
screen,
carbon,
dirtied,
amendment,
renewable,
energy,
environmental,
sustainability,
biomass,
sequestration,
organic,
charcoal,
filtration,
agricultural,
practice,
environmentally friendly
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