Isiolo county soil health report

Soil suitability and agriculture in Isiolo County

Choosing the right inputs in Isiolo County starts with its soil chemistry. Sitting in the Semi-Arid Eastern zone, Isiolo records an average soil pH of 7.83 — alkaline. At this alkalinity, watch for zinc and iron lock-out and favour ammonium-based over nitrate fertilizers.

On nutrients, Isiolo soils measure nitrogen at 0.46 g/kg, extractable phosphorus at 37.4 mg/kg and potassium at 395 mg/kg. A basal DAP or NPK dressing at planting followed by CAN top-dressing is the usual backbone, but the exact blend and bag-per-acre rate should be tuned to these figures and your target crop. On current data, Isiolo soils score highest for Sisal. Get a free, Isiolo-specific fertilizer plan for your exact farm below.