Growing Sesame (Simsim) in Isiolo

Soil suitability analysis based on Isiolo's nutrient profile

Isiolo County is a solid choice for Sesame (Simsim), with a soil-match score of 62/100. At an average pH of 7.83 the soil sits above Sesame (Simsim)'s preferred 5.5–7 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.46 g/kg, P 37.4 mg/kg, K 395 mg/kg against this crop's low/low/low demand — so the fertilizer plan below prioritises closing that deficit. 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.