Growing Kale (Sukuma Wiki) in Makueni

Soil suitability analysis based on Makueni's nutrient profile

Kale (Sukuma Wiki) can be grown in Makueni County, but the soil scores 45/100 and needs targeted management to reach full potential. At an average pH of 7.5 the soil sits above Kale (Sukuma Wiki)'s preferred 5–7 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.86 g/kg, P 29.6 mg/kg, K 351 mg/kg against this crop's high/medium/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy loam soils suit Kale (Sukuma Wiki), which favours clay loam. At current prices (about KES 20/kg) and a typical 5,000 kg/acre yield, a well-managed Kale (Sukuma Wiki) crop here can gross roughly KES 100,000 per acre.