📅
May 2026 | ✍️ Mitti Gold Organic | 🗂️
Soil Health
What is Biochar and Why Your Soil Needs It
Biochar is a charcoal-like substance made by burning organic material from agricultural and forestry wastes (also called biomass) in a controlled process called pyrolysis. Unlike regular charcoal, biochar is produced specifically for soil application. It acts as a permanent "coral reef" for soil microbes, holding nutrients and moisture in the root zone for hundreds of years.
The Pyrolysis Process: Making Biochar at Home
To make high-quality biochar, you must limit oxygen during the burning process to ensure carbonization instead of ash production.
1
Feedstock Preparation
Collect dry agricultural waste like corn stalks, cotton stalks, or wood chips. Ensure the moisture content is below 20% for efficient burning.
2
Loading the Pyrolysis Kiln
Place the material in a specialized biochar kiln or a "top-lit updraft" (TLUD) drum. These containers allow heat to build up while keeping air away from the burning core.
3
Controlled Burning (Pyrolysis)
Ignite the top layer. The heat will move downward, driving off volatile gases. These gases burn at the top, while the carbon stays protected in the bottom.
4
Quenching and Inoculation
Once the fire reaches the bottom, immediately douse it with water (quenching) to stop the process. Important: Raw biochar is "hungry"; soak it in liquid fertilizer or vermiwash for 48 hours (charging) before adding to soil.
Benefits of Biochar in Organic Farming
Biochar significantly reduces the need for chemical fertilizers by preventing nutrient leaching. It is especially effective in sandy or acidic soils where it acts as a buffer and moisture reservoir.
Mitti Gold Biochar Production Systems
We offer portable and industrial-scale biochar kilns that help farmers convert waste into wealth while reducing carbon emissions.
🔥 Bulk Biochar / Charcoal Orders
Mitti Gold Organic: For bulk supply of agricultural Charcoal (Biochar) — Improves soil health and moisture. WhatsApp: +91 95372 30173
Biochar Production FAQ
Can I use regular charcoal as biochar? +
Regular charcoal is often made at lower temperatures and may contain tars. Agricultural biochar is made at 400-600°C for maximum porosity.
How much biochar should I apply per acre? +
Typically, 1-2 tons per acre is recommended for long-term soil improvement. Start with smaller amounts in the root zone.
Does biochar expire? +
No, biochar is extremely stable and can remain in the soil for hundreds of years, providing benefits to multiple generations.
Does biochar change soil pH? +
Biochar is typically alkaline (pH 8-9). It is excellent for neutralizing acidic soils but should be used carefully in highly alkaline soils.
Is biochar 100% organic? +
Yes, since it is made from 100% plant biomass through a natural heating process, it is fully compatible with organic farming standards.