Growing Sesame (Simsim) in Samburu
Soil suitability analysis based on Samburu's nutrient profile
Sesame (Simsim) can be grown in Samburu County, but the soil scores 55/100 and needs targeted management to reach full potential. At an average pH of 8.28 the soil sits above Sesame (Simsim)'s preferred 5.5–7 range, which can limit uptake of phosphorus and micronutrients. Nitrogen (0.67 g/kg), phosphorus (42.1 mg/kg) and potassium (387 mg/kg) all meet Sesame (Simsim)'s requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy soils suit Sesame (Simsim), which favours sandy. At current prices (about KES 350/kg) and a typical 180 kg/acre yield, a well-managed Sesame (Simsim) crop here can gross roughly KES 63,000 per acre.
Soil match analysis
| Nutrient | Samburu soil | Sesame (Simsim) needs | Status |
|---|---|---|---|
| pH | 8.28 | 5.5–7 | Adjust |
| Nitrogen | 0.67 g/kg | min 0.5 g/kg | OK |
| Phosphorus | 42.1 mg/kg | min 6 mg/kg | OK |
| Potassium | 387 mg/kg | min 100 mg/kg | OK |
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag