Biochar & Regeneration During The Dry Season

This is not the first time I am hearing of it, but this concept is counterintuitive to me because it involves combustion, which I associate with carbon emissions. On our hillside we are working to regenerate quality soil on what once was a fertile, productive coffee farm. When the sun rises over what we planted this year to help prepare the soil for next year’s coffee planting, I have been considering what we need to do differently during the dry season. October is the last month of rainy season, so we are almost there. It is clear that we need all the good ideas we can find in this effort. This seems worthy of consideration:

Loading soil with biochar allows farmers to cut way back on irrigation

At high applications levels, researchers found that biochar can not only soak up a lot of carbon, but also reduce the need for irrigation by almost 40%.

Biochar – the charcoal product used to enrich agricultural soil and trap carbon—may have a hidden commercial benefit for farmers: it could lock moisture in the soil and save on gallons of costly irrigation.

The coarse, black material, made by combusting wood, grass, and other organic materials under low-oxygen conditions, helps to sequester carbon in the soil. Continue reading