Biochar is the lightweight black residue, made of carbon and ashes, remaining after the pyrolysis of biomass. Biochar is defined by the International Biochar Initiative as "the solid material obtained from the thermochemical conversion of biomass in an oxygen-limited environment"
Our Biochar is also enriched with Nitrogen, srus, Magnesium, Sulr, Potassium, Boron, Iron, Zinc. Most significant is relation with Nitrogen...
It is packed as 5liters polybags and made in Czech Republic.