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.

55Suitability score

Soil match analysis

NutrientSamburu soilSesame (Simsim) needsStatus
pH8.285.57Adjust
Nitrogen0.67 g/kgmin 0.5 g/kgOK
Phosphorus42.1 mg/kgmin 6 mg/kgOK
Potassium387 mg/kgmin 100 mg/kgOK

Recommended seed varieties

KSS-6 (KS-S6)Lowland 200-1000m
Kenya Seed Company · 75 days · 7-9 bags/acre
Highly aromatic white seeds; high podding ability; rust & shootfly tolerant.

Economics

Market priceKES 350/kg
Expected yield180 kg/acre
Estimated revenueKES 63,000/acre

Preferred textureSandy

Fertilizer prices

DAP
KES 2,500(6,500)
CAN
KES 2,500(4,500)
NPK 17:17:17
KES 2,500(5,600)
Urea
KES 2,500(5,500)
Lime
KES 1,500(1,800)

Green = subsidized · (Commercial) per 50kg bag