Growing Cassava in Siaya
Soil suitability analysis based on Siaya's nutrient profile
Yes — Siaya is well suited to Cassava. Siaya's soil (pH 5.33, strongly acidic) gives Cassava a suitability score of 89/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.
Siaya County is well suited to Cassava, scoring 89/100 on ShambaIQ's soil-match model. Local soils average pH 5.33 — moderately acidic and inside the 4.5–7 band Cassava prefers, so no lime is usually required. The main gap is potassium — measured at N 1.2 g/kg, P 12.1 mg/kg, K 134 mg/kg against this crop's low/low/medium demand — so the fertilizer plan below prioritises closing that deficit. Cassava prefers sandy soils, while Siaya is largely clay loam, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Cassava is the #4 soil match of the 106 crops we assess for Siaya County. At current prices (about KES 15/kg) and a typical 6,000 kg/acre yield, a well-managed Cassava crop here can gross roughly KES 90,000 per acre.
Soil & climate match
| Factor | Siaya soil | Cassava needs | Status |
|---|---|---|---|
| pH | 5.33 | 4.5–7 | OK |
| Nitrogen | 1.2 g/kg | min 0.5 g/kg | OK |
| Phosphorus | 12.1 mg/kg | min 6 mg/kg | OK |
| Potassium | 134 mg/kg | min 150 mg/kg | Low |
| Rainfall | 1,200 mm | 500–1,500 mm | OK |
| Altitude | 1,200 m | 0–1,400 m | OK |
Planting calendar
Long Rains
Short Rains
Dry Season
Top dressing guide
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag