Growing Potato in Embu
Soil suitability analysis based on Embu's nutrient profile
Yes, with the right inputs — Embu is moderately suited to Potato. Embu's soil (pH 5.1, strongly acidic) gives Potato a suitability score of 69/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.
Embu County is a solid choice for Potato, with a soil-match score of 69/100. Local soils average pH 5.1 — moderately acidic and inside the 4.8–6.5 band Potato prefers, so no lime is usually required. The main gap is nitrogen, phosphorus, and potassium — measured at N 1.04 g/kg, P 12.6 mg/kg, K 194 mg/kg against this crop's high/high/high demand — so the fertilizer plan below prioritises closing those deficits. Potato prefers sandy loam soils, while Embu is largely clay loam, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Potato is the #23 soil match of the 106 crops we assess for Embu County. Potato's full potential is about 8,000 kg/acre (~KES 304,000/acre at KES 38/kg), but at Embu's 69/100 suitability a realistic target here is closer to 6,900 kg/acre (~KES 262,200/acre) unless the constraints above are addressed.
Soil & climate match
| Factor | Embu soil | Potato needs | Status |
|---|---|---|---|
| pH | 5.1 | 4.8–6.5 | OK |
| Nitrogen | 1.04 g/kg | min 1.2 g/kg | Low |
| Phosphorus | 12.6 mg/kg | min 20 mg/kg | Low |
| Potassium | 194 mg/kg | min 200 mg/kg | Low |
| Rainfall | 1,300 mm | 700–1,500 mm | OK |
| Altitude | 1,400 m | 1,500–3,000 m | Low |
Planting calendar for Embu
Long Rains· March–MayMain season here
Short Rains· October–December
Dry Season· January–March
Top dressing guide
Embu's nitrogen (1.04 g/kg) is 87% of the 1.2 g/kg Potato needs, so the standard 1 bag/acre is raised to 1.25. Split it across two applications to limit leaching.
Seed varieties for Embu
6 potato varieties are rated for Embu's altitude (1,400 m) and rainfall (1,300 mm):
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag