Growing Lentils in Turkana

Soil suitability analysis based on Turkana's nutrient profile

Turkana County is a challenging environment for Lentils (soil-match score 5/100) and will need significant amendment before planting. At an average pH of 7.95 the soil sits above Lentils's preferred 5.5–7.5 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.41 g/kg, P 38.5 mg/kg, K 417 mg/kg against this crop's low/medium/low demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy soils suit Lentils, which favours sandy loam. At 400 m, the county sits below Lentils's preferred altitude range (1200–2400 m), which limits yield potential due to heat stress. On ShambaIQ's soil-match model, Lentils is the #65 soil match of the 106 crops we assess for Turkana County. Lentils's full potential is about 600 kg/acre (~KES 108,000/acre at KES 180/kg), but at Turkana's 5/100 suitability a realistic target here is closer to 38 kg/acre (~KES 6,840/acre) unless the constraints above are addressed.

Better matched to Turkana's soil: Sisal, Aloe Vera, and Green Grams — each scores higher on the same soil.