Growing Bambara Nuts in Tana River
Soil suitability analysis based on Tana River's nutrient profile
Bambara Nuts can be grown in Tana River County, but the soil scores 55/100 and needs targeted management to reach full potential. Local soils average pH 6.4 — slightly acidic to near-neutral and inside the 5–6.5 band Bambara Nuts prefers, so no lime is usually required. Nitrogen (1.04 g/kg), phosphorus (8.5 mg/kg) and potassium (108 mg/kg) all meet Bambara Nuts's requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy soils suit Bambara Nuts, which favours sandy. At current prices (about KES 150/kg) and a typical 300 kg/acre yield, a well-managed Bambara Nuts crop here can gross roughly KES 45,000 per acre.
Soil match analysis
| Nutrient | Tana River soil | Bambara Nuts needs | Status |
|---|---|---|---|
| pH | 6.4 | 5–6.5 | OK |
| Nitrogen | 1.04 g/kg | min 0.5 g/kg | OK |
| Phosphorus | 8.5 mg/kg | min 6 mg/kg | OK |
| Potassium | 108 mg/kg | min 100 mg/kg | OK |
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag