Seven Agro-Ecological Zones (AEZs) in Kenya
Kenya's agro-ecological zones are classified based on factors such as rainfall, temperature, altitude, and soil characteristics. These zones determine the suitability of different crops and livestock for farming.
1. Humid:
- Rainfall: 1,500-2,500 mm annually
- Temperature: 18-25°C
- Altitude: <1,800 m
- Vegetation: Montane forests, tea plantations
- Suitable crops: Tea, coffee, sugarcane, bananas, potatoes
- Livestock: Dairy cattle, poultry
2. Sub-Humid:
- Rainfall: 1,000-1,500 mm annually
- Temperature: 18-25°C
- Altitude: 1,000-2,000 m
- Vegetation: Grasslands, shrubs, woodlands
- Suitable crops: Maize, beans, sorghum, millet, wheat
- Livestock: Beef cattle, sheep, goats
3. Semi-Arid (Lowland):
- Rainfall: 500-1,000 mm annually
- Temperature: 20-30°C
- Altitude: 200-1,000 m
- Vegetation: Shrubs, grasslands, acacia forests
- Suitable crops: Sorghum, millet, maize (with irrigation)
- Livestock: Goats, sheep, camels
4. Semi-Arid (Highland):
- Rainfall: 750-1,000 mm annually
- Temperature: 15-20°C
- Altitude: 1,000-2,000 m
- Vegetation: Shrubs, grasslands, woodlands
- Suitable crops: Maize, beans, wheat, barley
- Livestock: Beef cattle, sheep, goats
5. Arid:
- Rainfall: 250-750 mm annually
- Temperature: 25-35°C
- Altitude: <200 m
- Vegetation: Desert shrubs, grassland
- Suitable crops: Sorghum, millet (drought-tolerant varieties)
- Livestock: Goats, camels
6. Semi-Arid Special:
- Rainfall: 500-750 mm annually
- Temperature: 15-25°C
- Altitude: 2,000-3,000 m
- Vegetation: Alpine meadows, shrubs
- Suitable crops: Potatoes, barley, wheat
- Livestock: Sheep, goats
7. Highland:
- Rainfall: 1,000-2,000 mm annually
- Temperature: <15°C
- Altitude: >3,000 m
- Vegetation: Alpine meadows, moorlands, glaciers
- Suitable crops: Potatoes, barley, wheat (in sheltered areas)
- Livestock: Minimal grazing for yaks, sheep