Growing Sesame (Simsim) in Nakuru

Soil suitability analysis based on Nakuru's nutrient profile

Quick answer

Yes, with the right inputs — Nakuru is moderately suited to Sesame (Simsim). Nakuru's soil (pH 6.28, slightly acidic) gives Sesame (Simsim) a suitability score of 74/100. Match fertilizer to Nakuru's nitrogen and phosphorus levels for the best result.

Nakuru County is a solid choice for Sesame (Simsim), with a soil-match score of 74/100. Local soils average pH 6.28 — slightly acidic to near-neutral and inside the 5.5–7 band Sesame (Simsim) prefers, so no lime is usually required. Nitrogen (1.59 g/kg), phosphorus (25.2 mg/kg) and potassium (239 mg/kg) all meet Sesame (Simsim)'s requirements, so a maintenance fertilizer programme is enough. Sesame (Simsim) prefers sandy soils, while Nakuru is largely clay loam, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Sesame (Simsim) is the #80 soil match of the 106 crops we assess for Nakuru County. At current prices (about KES 350/kg) and a typical 250 kg/acre yield, a well-managed Sesame (Simsim) crop here can gross roughly KES 87,500 per acre.

74Suitability score

Soil & climate match

FactorNakuru soilSesame (Simsim) needsStatus
pH6.285.57OK
Nitrogen1.59 g/kgmin 0.5 g/kgOK
Phosphorus25.2 mg/kgmin 6 mg/kgOK
Potassium239 mg/kgmin 100 mg/kgOK
Rainfall900 mm300–800 mmHigh
Altitude1,750 m0–1,600 mHigh

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 yield in Nakuru231 kg/acre
Estimated revenueKES 80,850/acre
Adjusted for Nakuru's 74/100 suitability. Under ideal conditions Sesame (Simsim) can reach 250 kg/acre (~KES 87,500/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureSandy

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(5,700)
NPK 17:17:17
KES 3,275(5,600)
Urea
KES 3,500(5,500)
Lime
KES 1,500(1,800)

Green = subsidized · (Commercial) per 50kg bag