Sweet Potato Farming Guide — Kenya
Soil requirements, top counties, seed varieties, fertilizer plan & economics
Soil Requirements
pH Range
5–7
Nitrogen
low
Phosphorus
medium
Potassium
high
Preferred texture: Sandy Loam
Best Counties for Sweet Potato
Challenging Counties for Sweet Potato
These counties may need soil amendments for Sweet Potato
Certified Seed Varieties
KabodeMedium/Dryland
CIP/KALRO · 120-150 days · 60-80 bags/acre
Orange-fleshed; high Vitamin A; drought tolerant.
Kenspot 5Medium/Highland
KALRO · 90-120 days · 80-100 bags/acre
Purple-skinned; excellent taste; good market demand.
Economics
Market priceKES 25/kg
Expected yield4,000 kg/acre
Est. revenueKES 100,000/acre
Top Dressing
Product: None
Timing: None required
Bags/acre: 0
Sweet potatoes rarely need top dressing. Excess N promotes vines over tubers.
Fertilizer Prices
DAPKES 2,500
CANKES 2,500
NPK 17:17:17KES 2,500
UreaKES 2,500
LimeKES 1,500
Subsidized price / 50kg bag