Growing Radish in Marsabit
Soil suitability analysis based on Marsabit's nutrient profile
Generally not ideal — Marsabit is poorly suited to Radish. Marsabit's soil (pH 8.22, alkaline) gives Radish a suitability score of 21/100. Match fertilizer to Marsabit's nitrogen and phosphorus levels for the best result.
Marsabit County is a challenging environment for Radish (soil-match score 21/100) and will need significant amendment before planting. At an average pH of 8.22 the soil sits above Radish's preferred 6–7.5 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.52 g/kg, P 37.3 mg/kg, K 420 mg/kg against this crop's medium/medium/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy soils suit Radish, which favours sandy loam. Marsabit receives approximately 300 mm/year — well below Radish's minimum of 500 mm — so supplemental irrigation would be essential for this crop. On ShambaIQ's soil-match model, Radish is the #30 soil match of the 106 crops we assess for Marsabit County. Radish's full potential is about 8,000 kg/acre (~KES 320,000/acre at KES 40/kg), but at Marsabit's 21/100 suitability a realistic target here is closer to 2,100 kg/acre (~KES 84,000/acre) unless the constraints above are addressed.
Better matched to Marsabit's soil: Sisal, Chia, and Aloe Vera — each scores higher on the same soil.
Soil & climate match
| Factor | Marsabit soil | Radish needs | Status |
|---|---|---|---|
| pH | 8.22 | 6–7.5 | Adjust |
| Nitrogen | 0.52 g/kg | min 0.8 g/kg | Low |
| Phosphorus | 37.3 mg/kg | min 12 mg/kg | OK |
| Potassium | 420 mg/kg | min 150 mg/kg | OK |
| Rainfall | 300 mm | 500–1,000 mm | Low |
| Altitude | 1,100 m | 500–2,500 m | OK |
Planting calendar for Marsabit
Long Rains· March–May
Short Rains· October–DecemberMain season here
Top dressing guide
Marsabit's nitrogen (0.52 g/kg) is 65% of the 0.8 g/kg Radish needs, so the standard 0.2 bags/acre is raised to 0.25. Split it across two applications to limit leaching.
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag