Pyrolyzed biomass used as soil amendment. Improves water retention, nutrient holding, and carbon sequestration.

Typical rates 5-20% by volume with compost or soil. Too much can tie up nitrogen initially.

Biochar Blend Calculator

Calculate the amount of biochar and compost needed to create an enriched soil blend for your garden.

Calculate the amounts of biochar, compost, and base soil needed for your custom blend.

Total Desired Soil Volume (cubic feet)

Biochar Percentage (10%)

Compost Percentage (20%)

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Continue with calculators that answer nearby questions and help compare the next step.

Calculate the amount of compost (in cubic yards or bags) needed to amend your garden beds.

Calculate the volume of soil amendment (e.g., compost, sand) needed to achieve a desired percentage mix in your garden beds.

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