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What Is Biochar?
A carbon-rich material with ancient roots and a modern role in soil restoration, climate resilience, and ecological health.
Biochar defined
Biochar is a stable, carbon-rich solid produced when organic material — wood chip, crop residues, or other biomass — is heated in an oxygen free environment through a process called pyrolysis. The result is a highly porous, near pure carbon that resists decomposition for hundreds to thousands of years.
Unlike conventional compost or organic matter that breaks down and releases carbon back into the atmosphere, biochar locks that carbon into a stable form. When incorporated into soil, it becomes a long-term reservoir — sequestering carbon while simultaneously improving the soil it inhabits.
How it's made
Feedstock selection
Organic material — wood chips, agricultural residues, or other biomass — is selected and dried. The feedstock choice influences the final properties of the biochar, including its pore structure and nutrient profile.
Pyrolysis
The feedstock is heated to temperatures between 300–700°C in a zero-oxygen environment. This thermal conversion drives off volatile compounds and leaves behind a stable, carbon-rich solid.
Activation & application
The resulting biochar is often charged with compost, nutrients, or water before application. This 'activation' step loads the porous structure with beneficial biology and nutrients, ready to support soil life from day one.
"Biochar locks carbon into a stable form that persists in soil for hundreds to thousands of years."
Why it matters
Improves soil structure
Biochar's porous architecture creates habitat for beneficial microbes and fungi, improves aeration, and dramatically increases water-holding capacity — reducing irrigation needs and drought stress.
Sequesters carbon long-term
Because biochar resists decomposition, the carbon it contains stays out of the atmosphere for centuries. Applied at scale, it represents one of the most durable carbon removal strategies available.
Supports native ecosystems
In restoration contexts, biochar helps establish native plant communities by improving the soil conditions that support mycorrhizal networks, nutrient cycling, and long-term ecological resilience.
Reduces nutrient leaching
The charged surface of biochar binds nutrients and prevents them from washing out of the root zone. This means less fertilizer runoff into waterways and more efficient nutrient use by plants.
Ready to put biochar to work?
Whether you're restoring a degraded site, improving farm soil, or sequestering carbon, we're here to help you find the right approach.
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