Growing Bambara Nuts in Trans Nzoia
Soil suitability analysis based on Trans Nzoia's nutrient profile
Possible but challenging — Trans Nzoia is only marginally suited to Bambara Nuts. Trans Nzoia's soil (pH 5.93, slightly acidic) gives Bambara Nuts a suitability score of 50/100. Match fertilizer to Trans Nzoia's nitrogen and phosphorus levels for the best result.
Bambara Nuts can be grown in Trans Nzoia County, but the soil scores 50/100 and needs targeted management to reach full potential. Local soils average pH 5.93 — slightly acidic to near-neutral and inside the 5–6.5 band Bambara Nuts prefers, so no lime is usually required. Nitrogen (1.68 g/kg), phosphorus (27.3 mg/kg) and potassium (213 mg/kg) all meet Bambara Nuts's requirements, so a maintenance fertilizer programme is enough. Bambara Nuts prefers sandy soils, while Trans Nzoia is largely clay loam, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Bambara Nuts is the #90 soil match of the 106 crops we assess for Trans Nzoia County. Bambara Nuts's full potential is about 400 kg/acre (~KES 60,000/acre at KES 150/kg), but at Trans Nzoia's 50/100 suitability a realistic target here is closer to 250 kg/acre (~KES 37,500/acre) unless the constraints above are addressed.
Better matched to Trans Nzoia's soil: Kale (Sukuma Wiki), Finger Millet, and Sweet Potato — each scores higher on the same soil.
Soil & climate match
| Factor | Trans Nzoia soil | Bambara Nuts needs | Status |
|---|---|---|---|
| pH | 5.93 | 5–6.5 | OK |
| Nitrogen | 1.68 g/kg | min 0.5 g/kg | OK |
| Phosphorus | 27.3 mg/kg | min 6 mg/kg | OK |
| Potassium | 213 mg/kg | min 100 mg/kg | OK |
| Rainfall | 1,200 mm | 500–800 mm | High |
| Altitude | 1,900 m | 0–1,600 m | High |
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag