Basics

Abbreviated as BOAR
A (potential) acronym of returning Bio-Ash from Bioenergy / Biofuel applications to the source of the Biomass used
Thus there should be no Soil Depletion of various minerals
In the perfect form of this, just the Hydrocarbons, Carbon, and Water would be extracted from the site, with all other minerals (short of potential Bioremediation of pollutants that could be captured in the Bio-Refinery or similar process and properly handled) being returned to the original soil and used by the next generation of plants

Biomass Origin Ash Return