Biochar is defined by the International Biochar Initiative as the "solid material obtained from the thermochemical conversion of biomass in an oxygen-limited environment".

Biochar is a charcoal-like product made from biomass waste, such as wood or agricultural waste, paper mill waste, or other biological residues. The concept for use as a soil amendment originated in …

Biochar has several unique chemical and physical properties that make it very useful for retaining nutrients and water. Biochar ranges from 50 to 90 percent carbon and less than 0.1 percent nitrogen. …

Apr 21, 2026 · Follow this step-by-step guide to learn how to make biochar, plus get tips on using it to improve your garden soil.

Biochar is a stable, carbon-rich material that often looks and feels a lot like charcoal. It is made via pyrolysis or gasification, the process of heating biomass (wood, manure, crop residues, solid waste, …

Sep 1, 2025 · This paper reviews a wide range of biochar produced from various feedstocks, and the associated performance in different applications. Advanced characterisations are discussed to unveil …

2 days ago · Biochar has emerged as a promising soil amendment that improves soil health and nutrient efficiency. Photo courtesy of Adobe Stock/Phoebe.

Biochar is made from biomass such as agriculture byproducts, forestry residues, and solid waste (sewage sludge). Biochar is made by high-heat, low-oxygen processes, i.e. pyrolysis or gasification.

What if biochar’s highest-impact, highest-return applications have been misunderstood? Dr. Jim Ippolito explains the science and economics behind where biochar moves beyond the hype, and delivers real …

As the first journal specifically focusing on biochar, the journal Biochar covers multidisciplinary subjects of agronomy, environmental science, and materials science.