Growing Taro (Nduma) in Kitui
Soil suitability analysis based on Kitui's nutrient profile
Generally not ideal — Kitui is poorly suited to Taro (Nduma). Kitui's soil (pH 7.03, near-neutral) gives Taro (Nduma) a suitability score of 18/100. Match fertilizer to Kitui's nitrogen and phosphorus levels for the best result.
Kitui County is a challenging environment for Taro (Nduma) (soil-match score 18/100) and will need significant amendment before planting. At an average pH of 7.03 the soil sits above Taro (Nduma)'s preferred 5.5–6.5 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.74 g/kg, P 30.5 mg/kg, K 339 mg/kg against this crop's medium/medium/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy loam soils suit Taro (Nduma), which favours loam. Kitui receives approximately 500 mm/year — well below Taro (Nduma)'s minimum of 1000 mm — so supplemental irrigation would be essential for this crop. On ShambaIQ's soil-match model, Taro (Nduma) is the #86 soil match of the 106 crops we assess for Kitui County. Taro (Nduma)'s full potential is about 7,000 kg/acre (~KES 630,000/acre at KES 90/kg), but at Kitui's 18/100 suitability a realistic target here is closer to 1,575 kg/acre (~KES 141,750/acre) unless the constraints above are addressed.
Better matched to Kitui's soil: Mango, Sisal, and Moringa — each scores higher on the same soil.
Soil & climate match
| Factor | Kitui soil | Taro (Nduma) needs | Status |
|---|---|---|---|
| pH | 7.03 | 5.5–6.5 | Adjust |
| Nitrogen | 0.74 g/kg | min 0.8 g/kg | Low |
| Phosphorus | 30.5 mg/kg | min 12 mg/kg | OK |
| Potassium | 339 mg/kg | min 150 mg/kg | OK |
| Rainfall | 500 mm | 1,000–1,500 mm | Low |
| Altitude | 900 m | 0–1,850 m | OK |
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag