Agrichar can be produced by means of pyrolysis from organic material. In that case, it's often referred to as biochar. Agrichar can also be produced from carbon that is captured from the air, as indicated on the picture below.
Kelp Farming and Ice Dyking
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Aaron Franklin*Kelp farming and ice dyking for habitat enhancement *
*and **carbon-negative fuels and chemical production.*
*By Aaron Franklin*
A purpose-...
9 years ago