Growing Cape Gooseberry in Isiolo
Soil suitability analysis based on Isiolo's nutrient profile
Isiolo County is a challenging environment for Cape Gooseberry (soil-match score 9/100) and will need significant amendment before planting. At an average pH of 7.83 the soil sits above Cape Gooseberry's preferred 6–7.5 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.46 g/kg, P 37.4 mg/kg, K 395 mg/kg against this crop's medium/medium/high demand — so the fertilizer plan below prioritises closing that deficit. Cape Gooseberry prefers loam soils, while Isiolo is largely sandy, so drainage and organic-matter management matter more here. Isiolo receives approximately 350 mm/year — well below Cape Gooseberry's minimum of 700 mm — so supplemental irrigation would be essential for this crop. Cape Gooseberry's full potential is about 5,000 kg/acre (~KES 600,000/acre at KES 120/kg), but at Isiolo's 9/100 suitability a realistic target here is closer to 563 kg/acre (~KES 67,560/acre) unless the constraints above are addressed.
Soil & climate match
| Factor | Isiolo soil | Cape Gooseberry needs | Status |
|---|---|---|---|
| pH | 7.83 | 6–7.5 | Adjust |
| Nitrogen | 0.46 g/kg | min 0.8 g/kg | Low |
| Phosphorus | 37.4 mg/kg | min 12 mg/kg | OK |
| Potassium | 395 mg/kg | min 200 mg/kg | OK |
| Rainfall | 350 mm | 700–1,400 mm | Low |
| Altitude | 900 m | 1,200–2,600 m | Low |
Planting calendar
Long Rains
Short Rains
Top dressing guide
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag