"Biochar" the charcoal using as soil amendment made from agricultural waste.
Schlüsselwörter
abstract,
agricultural,
amendment,
antique,
background,
black,
burn,
carbon,
scorching,
charcoal,
closeup,
coal,
dark,
dirty,
energy,
fire,
heat,
hot,
material,
object,
old,
pattern,
pyrolysis,
dirtied,
texture,
waste,
wood
Deutsch
