Growing Sweet Potato in Kiambu
Soil suitability analysis based on Kiambu's nutrient profile
Suitability Score
Soil Match Analysis
| Nutrient | Kiambu Soil | Sweet Potato Needs | Status |
|---|---|---|---|
| pH | 5.28 | 5–7 | ✓ OK |
| Nitrogen | 1.01 g/kg | low | low |
| Phosphorus | 13.7 mg/kg | medium | medium |
| Potassium | 169 mg/kg | high | high |
Top Dressing Guide
Product
None
Timing
None required
Instruction
Sweet potatoes rarely need top dressing. Excess N promotes vines over tubers.
Bags per Acre
0
Recommended 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
Estimated revenueKES 100,000/acre
Soil textureSandy Loam
Fertilizer Prices
DAP
KES 2,500(6,500)
CAN
KES 2,500(4,500)
NPK 17:17:17
KES 2,500(5,600)
Urea
KES 2,500(5,500)
Lime
KES 1,500(1,800)
Green = subsidized · (Commercial) per 50kg bag