Growing Arrow Root in Vihiga
Soil suitability analysis based on Vihiga's nutrient profile
Yes — Vihiga is well suited to Arrow Root. Vihiga's soil (pH 5.62, slightly acidic) gives Arrow Root a suitability score of 89/100. Match fertilizer to Vihiga's nitrogen and phosphorus levels for the best result.
Vihiga County is well suited to Arrow Root, scoring 89/100 on ShambaIQ's soil-match model. Local soils average pH 5.62 — slightly acidic to near-neutral and inside the 5–7 band Arrow Root prefers, so no lime is usually required. The main gap is potassium — measured at N 1.02 g/kg, P 14.8 mg/kg, K 164 mg/kg against this crop's medium/medium/high demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly clay loam soils suit Arrow Root, which favours clay loam. At current prices (about KES 55/kg) and a typical 5,000 kg/acre yield, a well-managed Arrow Root crop here can gross roughly KES 275,000 per acre.
Soil & climate match
| Factor | Vihiga soil | Arrow Root needs | Status |
|---|---|---|---|
| pH | 5.62 | 5–7 | OK |
| Nitrogen | 1.02 g/kg | min 0.8 g/kg | OK |
| Phosphorus | 14.8 mg/kg | min 12 mg/kg | OK |
| Potassium | 164 mg/kg | min 200 mg/kg | Low |
| Rainfall | 1,800 mm | 1,000–2,000 mm | OK |
| Altitude | 1,700 m | 0–1,800 m | OK |
Top dressing guide
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag