23–26 November 2026 · Nasarawa State University, Keffi, Nasarawa State, Nigeria
Keffi 2026 International Biochar Conference
Four days of scientific, policy and enterprise sessions on biochar technology for soil health, regenerative agriculture, food security, climate change mitigation, clean environment and energy production.
Fees: From ₦8,000 (undergraduate) — see the conference page for the full fee schedule