Growing Coffee (Arabica) in Nyamira
Soil suitability analysis based on Nyamira's nutrient profile
Nyamira County is well suited to Coffee (Arabica), scoring 85/100 on ShambaIQ's soil-match model. Local soils average pH 5.58 — slightly acidic to near-neutral and inside the 5–6 band Coffee (Arabica) prefers, so no lime is usually required. The main gap is nitrogen, phosphorus, and potassium — measured at N 0.84 g/kg, P 11.6 mg/kg, K 148 mg/kg against this crop's high/medium/high demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly clay loam soils suit Coffee (Arabica), which favours loam. At current prices (about KES 120/kg) and a typical 800 kg/acre yield, a well-managed Coffee (Arabica) crop here can gross roughly KES 96,000 per acre.
Soil & climate match
| Factor | Nyamira soil | Coffee (Arabica) needs | Status |
|---|---|---|---|
| pH | 5.58 | 5–6 | OK |
| Nitrogen | 0.84 g/kg | min 1.2 g/kg | Low |
| Phosphorus | 11.6 mg/kg | min 12 mg/kg | Low |
| Potassium | 148 mg/kg | min 200 mg/kg | Low |
| Rainfall | 1,600 mm | 1,000–2,000 mm | OK |
| Altitude | 1,700 m | 1,300–2,200 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