What Is Biochar?

Biochar is an organic soil amendment that has deep and complex pores. These pores help to store nutrients, microbes and water.

What Makes Good Biochar?

The best biochar (biological charcoal) is formed by low temperature pyrolysis, about 500 deg C. This is a high enough temperature to achieve maximal surface area but also low enough temperature to achieve essential bio-oil condensate retention. When used broadly, the term biochar simply refers to charcoal made from any biomass that may, or may not , have a significant bio-oil condensate component. In this broader context biochar is simply, bioavailable carbon that can be used to improve soil quality. Not all biochar is the same.

The Sunriver Biochar Difference

Think of Sunriver High Porosity Biochar as an organic sponge for your garden. For best results, get the biochar to the root zone as quickly as possible. For potted plants or raised beds, add 5 – 10% by weight (approx. 1 oz biochar/ lb of soil) & mix thoroughly with your soil. 1 cu ft (7 Gal) covers approx. 50 sq ft of open ground whether lawn, garden or flower beds. Yearly additions, ideally as a fall top dressing, will continue to improve soil quality. Adding Sunriver High Porosity Biochar to your actively aerated compost tea can help kickstart the mycorrhizal fungi for root development.

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