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🌍 Biochar Program in Kenya
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Kenya Biochar Impact at a Glance
90%
Biomass Diverted
From Open Burning
7,347
Farmers Trained
Since 2019
93
Communities Reached
Target sub-counties served
61%
Active Adoption
Farmers using biochar
Reported outcomes include increased yields, improved soil moisture, reduced fertilizer use, reduced smoke from burning,
improved household income, and improved food security.
🇰🇪 Kenya Biochar Program Warm Heart
Executive Snapshot:
Local Legal Entity: Biochar Farmers Management Company Limited
Regions Served (Sub-counties): Rachuonyo North, Kisumu West, Gem, Alego Usonga.
Program Launched: 2019
Country Lead: Mercy Ogembo
Contact: Mercy Ogembo [email protected]
Local Partners: Adero Farms, Karateng’ Ltd, Wastefree23.org
Primary Beneficiaries:
Program Summary:
Warm Heart trains smallholder farmers on biochar production and application using trench and TLUD technologies, primarily using maize stalks and cobs as feedstock. Farmers also learn how to mix biochar with organic manure to create biochar-based fertilizer and apply it during planting and as top dressing to improve soils and increase yields.
The Challenge in Kenya (Why This Matters Now)
Farmers in this region face overlapping pressures that threaten food security and livelihoods, including degraded soils, low yields, open burning of crop residues, deforestation, fuel shortages, climate impacts (erratic rainfall, drought, floods), and displacement risk.
These challenges disproportionately affect women (increased labor burdens and reduced household resilience) and youth (agriculture becomes less viable, contributing to unemployment and rural–urban migration).
Biochar is positioned as a timely climate-smart solution because it improves soil fertility and water retention, increases productivity, reduces pressure on forests, and can create livelihood opportunities—especially for women and youth.
Why Biochar Works Here
Biochar helps farmers use crop residues after harvest instead of burning them—reducing emissions and smoke while turning waste into a valuable soil input.
Farmers also report that biochar:
How farmers are introduced:
A typical village-level training hosts 40+ community members and is led by three trainers with defined roles. One trainer handles registration, documentation, and consent for photography/media, and captures photos/videos; two trainers deliver theory + hands-on technical demonstrations.
Farmers learn pit/trench pyrolysis (with emphasis on trench dimensions and dry biomass—primarily maize stalks), step-by-step preparation, controlled pyrolysis, and quenching. They also learn application methods (planting + top dressing) and how to blend biochar with compost/manure in recommended ratios for biochar-based fertilizer.
Reach & Impact (Current Estimates)
Environmental & Climate Impact
The program reduces open burning by giving farmers a practical alternative: crop residues (especially maize stalks) are collected and converted into biochar via controlled pyrolysis, reducing smoke/air pollution and transforming waste into a soil amendment.
Farmer awareness of climate/carbon benefits: Yes
Stories & Testimonials
Farmer Risper Nyawanda:
“Bounty harvest of cowpeas vegetable— all thanks to biochar fertilizer. I harvested enough for my use at home and also sold in the market for extra cash.”
Local Leadership & Partnerships
Local leadership—especially Warm Heart trainers and lead farmers—mobilizes participation, hosts demonstrations, provides demonstration sites, supports peer learning, and offers follow-up mentorship to ensure correct production and application. This builds ownership and long-term adoption.
Sustainability & Scale Pathway
The program grows through farmer-to-farmer replication, train-the-trainer systems, income-generating activities, government engagement, and integration into existing farming systems.
Primary scale constraint: sustainability and follow-up—without ongoing support, mentorship, and demonstration plots, adoption may stall.
Funding Priorities (Next 12–24 Months)
Transparency & Documentation
Available supporting materials include training photos, biochar production photos, farmers in fields, before/after comparisons, and short videos.
Closing Note
This work is rooted in direct collaboration with smallholder farmers to ensure biochar solutions meet real local needs—improving soil health, boosting productivity, strengthening climate resilience, and creating income opportunities. Continued funding is critical to expand trainings, build demonstration sites, and scale adoption in underserved areas.
Completed by: Mercy Ogembo, Country Manager (Kenya) — 9/2/2026
Malawi Warm Heart Biochar Limited.
Africa Biochar
Executive Snapshot:
Local Legal Entity: Biochar Farmers Management Company Limited
Regions Served (Sub-counties): Rachuonyo North, Kisumu West, Gem, Alego Usonga.
Program Launched: 2019
Country Lead: Mercy Ogembo
Contact: Mercy Ogembo [email protected]
Local Partners: Adero Farms, Karateng’ Ltd, Wastefree23.org
Primary Beneficiaries:
- Smallholder farmers
- Women farmers
- Youth
- Displaced / refugee farmers
- Farmer cooperatives
Program Summary:
Warm Heart trains smallholder farmers on biochar production and application using trench and TLUD technologies, primarily using maize stalks and cobs as feedstock. Farmers also learn how to mix biochar with organic manure to create biochar-based fertilizer and apply it during planting and as top dressing to improve soils and increase yields.
The Challenge in Kenya (Why This Matters Now)
Farmers in this region face overlapping pressures that threaten food security and livelihoods, including degraded soils, low yields, open burning of crop residues, deforestation, fuel shortages, climate impacts (erratic rainfall, drought, floods), and displacement risk.
These challenges disproportionately affect women (increased labor burdens and reduced household resilience) and youth (agriculture becomes less viable, contributing to unemployment and rural–urban migration).
Biochar is positioned as a timely climate-smart solution because it improves soil fertility and water retention, increases productivity, reduces pressure on forests, and can create livelihood opportunities—especially for women and youth.
Why Biochar Works Here
Biochar helps farmers use crop residues after harvest instead of burning them—reducing emissions and smoke while turning waste into a valuable soil input.
Farmers also report that biochar:
- Improves soil structure and yields
- Supports economic empowerment through surplus harvest and income (e.g., school fees, emergencies)
- Reduces dependence on costly synthetic fertilizer by using locally available crop waste
How farmers are introduced:
- Community meetings
- Demonstration events
- On-farm training
- Peer-to-peer learning
- Train-the-trainer model
- TLUD
- Trench
- Trough
- Maize stalks and cobs
- Sorghum stalks
- Coffee waste
- Rice husk
- Forestry waste
- Animal manure
- Soil amendment
- Compost
- Livestock feed
- Briquettes / fuel
- Multiple uses
A typical village-level training hosts 40+ community members and is led by three trainers with defined roles. One trainer handles registration, documentation, and consent for photography/media, and captures photos/videos; two trainers deliver theory + hands-on technical demonstrations.
Farmers learn pit/trench pyrolysis (with emphasis on trench dimensions and dry biomass—primarily maize stalks), step-by-step preparation, controlled pyrolysis, and quenching. They also learn application methods (planting + top dressing) and how to blend biochar with compost/manure in recommended ratios for biochar-based fertilizer.
Reach & Impact (Current Estimates)
- Farmers trained: 7,347
- Communities reached: 93
- Active adoption: 61% of trained farmers
Environmental & Climate Impact
The program reduces open burning by giving farmers a practical alternative: crop residues (especially maize stalks) are collected and converted into biochar via controlled pyrolysis, reducing smoke/air pollution and transforming waste into a soil amendment.
Farmer awareness of climate/carbon benefits: Yes
Stories & Testimonials
Farmer Risper Nyawanda:
“Bounty harvest of cowpeas vegetable— all thanks to biochar fertilizer. I harvested enough for my use at home and also sold in the market for extra cash.”
Local Leadership & Partnerships
Local leadership—especially Warm Heart trainers and lead farmers—mobilizes participation, hosts demonstrations, provides demonstration sites, supports peer learning, and offers follow-up mentorship to ensure correct production and application. This builds ownership and long-term adoption.
Sustainability & Scale Pathway
The program grows through farmer-to-farmer replication, train-the-trainer systems, income-generating activities, government engagement, and integration into existing farming systems.
Primary scale constraint: sustainability and follow-up—without ongoing support, mentorship, and demonstration plots, adoption may stall.
Funding Priorities (Next 12–24 Months)
- Scale farmer trainings and capacity building into new sub-counties/counties and strengthen lead farmer trainers
- Establish and equip demonstration sites, including technologies such as Kon-Tiki kilns
- Operational support + market development (logistics, monitoring, coordination, small-scale biochar enterprises, market linkages)
Transparency & Documentation
Available supporting materials include training photos, biochar production photos, farmers in fields, before/after comparisons, and short videos.
Closing Note
This work is rooted in direct collaboration with smallholder farmers to ensure biochar solutions meet real local needs—improving soil health, boosting productivity, strengthening climate resilience, and creating income opportunities. Continued funding is critical to expand trainings, build demonstration sites, and scale adoption in underserved areas.
Completed by: Mercy Ogembo, Country Manager (Kenya) — 9/2/2026
Malawi Warm Heart Biochar Limited.
Africa Biochar
