Growing Taro (Nduma) in Nairobi

Soil suitability analysis based on Nairobi's nutrient profile

Quick answer

Yes, with the right inputs — Nairobi is moderately suited to Taro (Nduma). Nairobi's soil (pH 6.85, near-neutral) gives Taro (Nduma) a suitability score of 67/100. Match fertilizer to Nairobi's nitrogen and phosphorus levels for the best result.

Nairobi County is a solid choice for Taro (Nduma), with a soil-match score of 67/100. At an average pH of 6.85 the soil sits above Taro (Nduma)'s preferred 5.5–6.5 range, which can limit uptake of phosphorus and micronutrients. Nitrogen (1.1 g/kg), phosphorus (22.1 mg/kg) and potassium (236 mg/kg) all meet Taro (Nduma)'s requirements, so a maintenance fertilizer programme is enough. The county's predominantly clay loam soils suit Taro (Nduma), which favours loam. On ShambaIQ's soil-match model, Taro (Nduma) is the #82 soil match of the 106 crops we assess for Nairobi County. Taro (Nduma)'s full potential is about 7,000 kg/acre (~KES 630,000/acre at KES 90/kg), but at Nairobi's 67/100 suitability a realistic target here is closer to 5,863 kg/acre (~KES 527,670/acre) unless the constraints above are addressed.

67Suitability score

Soil & climate match

FactorNairobi soilTaro (Nduma) needsStatus
pH6.855.56.5Adjust
Nitrogen1.1 g/kgmin 0.8 g/kgOK
Phosphorus22.1 mg/kgmin 12 mg/kgOK
Potassium236 mg/kgmin 150 mg/kgOK
Rainfall900 mm1,000–1,500 mmLow
Altitude1,700 m0–1,850 mOK

Recommended seed varieties

Nduma LocalMedium/Highland 0-1850m
KALRO · 270-365 days · 2.5–4 tons/acre
Traditional variety; good corm size; suited to wet/valley bottoms.

Economics

Market priceKES 90/kg
Expected yield in Nairobi5,863 kg/acre
Estimated revenueKES 527,670/acre
Adjusted for Nairobi's 67/100 suitability. Under ideal conditions Taro (Nduma) can reach 7,000 kg/acre (~KES 630,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureLoam

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(5,700)
NPK 17:17:17
KES 3,275(5,600)
Urea
KES 3,500(5,500)
Lime
KES 1,500(1,800)

Green = subsidized · (Commercial) per 50kg bag