Growing Foxtail Millet in Kiambu

Soil suitability analysis based on Kiambu's nutrient profile

Kiambu County is a solid choice for Foxtail Millet, with a soil-match score of 60/100. At an average pH of 5.28 the soil is moderately acidic, below Foxtail Millet's preferred 5.5–7.5 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. Nitrogen (1.01 g/kg), phosphorus (13.7 mg/kg) and potassium (169 mg/kg) all meet Foxtail Millet's requirements, so a maintenance fertilizer programme is enough. Foxtail Millet prefers sandy loam soils, while Kiambu is largely clay, so drainage and organic-matter management matter more here. Foxtail Millet's full potential is about 700 kg/acre (~KES 35,000/acre at KES 50/kg), but at Kiambu's 60/100 suitability a realistic target here is closer to 525 kg/acre (~KES 26,250/acre) unless the constraints above are addressed.