Growing Courgette (Zucchini) in Kisii

Soil suitability analysis based on Kisii's nutrient profile

Kisii County is a solid choice for Courgette (Zucchini), with a soil-match score of 61/100. At an average pH of 5.21 the soil is moderately acidic, below Courgette (Zucchini)'s preferred 5.8–7 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. The main gap is nitrogen and potassium — measured at N 1.09 g/kg, P 13.1 mg/kg, K 151 mg/kg against this crop's high/medium/high demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly clay loam soils suit Courgette (Zucchini), which favours loam. Courgette (Zucchini)'s full potential is about 12,000 kg/acre (~KES 600,000/acre at KES 50/kg), but at Kisii's 61/100 suitability a realistic target here is closer to 9,150 kg/acre (~KES 457,500/acre) unless the constraints above are addressed.