According to Cornell researchers, soil microorganisms need electrons for everything they do, biologically and chemically. Biochar, a highly porous charcoal byproduct of heating biomass in the absence of oxygen, is a favorite source for soil microorganisms looking for electrons. In fact, soil microorganisms seem to thrive in the presence of Biochar!
They do so with the help of carbon to create ‘high definition’ systems to move electrons through the soil; an important and under- appreciated known function that has huge benefits on plant growth.
Biochar can be an important tool to recover severely depleted soils and in areas where organic resources are scarce, and water and fertilizer access inadequate. According to the International Biochar Initiative, its primary use is to increase carbon concentration in soils and for atmospheric carbon capture and storage.
Other benefits using Biochar include:
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