Growing Sweet Potato in Laikipia
Soil suitability analysis based on Laikipia's nutrient profile
Yes — Laikipia is well suited to Sweet Potato. Laikipia's soil (pH 4.99, strongly acidic) gives Sweet Potato a suitability score of 84/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.
Laikipia County is well suited to Sweet Potato, scoring 84/100 on ShambaIQ's soil-match model. Local soils average pH 4.99 — strongly acidic and inside the 4.5–7 band Sweet Potato prefers, so no lime is usually required. Nitrogen (1.42 g/kg), phosphorus (16.6 mg/kg) and potassium (215 mg/kg) all meet Sweet Potato's requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy loam soils suit Sweet Potato, which favours sandy loam. On ShambaIQ's soil-match model, Sweet Potato is the single best-matched crop of the 106 we assess for Laikipia County. At current prices (about KES 18/kg) and a typical 5,000 kg/acre yield, a well-managed Sweet Potato crop here can gross roughly KES 90,000 per acre.
Soil & climate match
| Factor | Laikipia soil | Sweet Potato needs | Status |
|---|---|---|---|
| pH | 4.99 | 4.5–7 | OK |
| Nitrogen | 1.42 g/kg | min 0.5 g/kg | OK |
| Phosphorus | 16.6 mg/kg | min 12 mg/kg | OK |
| Potassium | 215 mg/kg | min 200 mg/kg | OK |
| Rainfall | 600 mm | 600–1,800 mm | OK |
| Altitude | 1,700 m | 0–2,200 m | OK |
Planting calendar for Laikipia
Long Rains· April–JuneMain season here
Short Rains· October–December
Dry Season· February–April
Top dressing guide
Laikipia's nitrogen reads 1.42 g/kg, but the rate stays at zero: Sweet Potato is not top-dressed, for the crop-specific reason above.
Seed varieties for Laikipia
Varieties suited to Laikipia's 1,700 m altitude and 600 mm annual rainfall — 5 of 5 sweet potato varieties we list.
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag