Growing Tree Tomato (Tamarillo) in Kajiado
Soil suitability analysis based on Kajiado's nutrient profile
Kajiado County is a challenging environment for Tree Tomato (Tamarillo) (soil-match score 26/100) and will need significant amendment before planting. Local soils average pH 6.55 — neutral and inside the 5.8–7 band Tree Tomato (Tamarillo) prefers, so no lime is usually required. The main gap is nitrogen — measured at N 0.97 g/kg, P 20.6 mg/kg, K 257 mg/kg against this crop's high/high/high demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy loam soils suit Tree Tomato (Tamarillo), which favours loam. Kajiado receives approximately 500 mm/year — well below Tree Tomato (Tamarillo)'s minimum of 800 mm — so supplemental irrigation would be essential for this crop. Tree Tomato (Tamarillo)'s full potential is about 8,000 kg/acre (~KES 640,000/acre at KES 80/kg), but at Kajiado's 26/100 suitability a realistic target here is closer to 2,600 kg/acre (~KES 208,000/acre) unless the constraints above are addressed.
Soil & climate match
| Factor | Kajiado soil | Tree Tomato (Tamarillo) needs | Status |
|---|---|---|---|
| pH | 6.55 | 5.8–7 | OK |
| Nitrogen | 0.97 g/kg | min 1.2 g/kg | Low |
| Phosphorus | 20.6 mg/kg | min 20 mg/kg | OK |
| Potassium | 257 mg/kg | min 200 mg/kg | OK |
| Rainfall | 500 mm | 800–1,800 mm | Low |
| Altitude | 1,300 m | 1,500–2,800 m | Low |
Planting calendar
Long Rains
Short Rains
Top dressing guide
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag