Growing Tomato in Kirinyaga
Soil suitability analysis based on Kirinyaga's nutrient profile
Yes, with the right inputs — Kirinyaga is moderately suited to Tomato. Kirinyaga's soil (pH 5.31, strongly acidic) gives Tomato a suitability score of 66/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.
Kirinyaga County is a solid choice for Tomato, with a soil-match score of 66/100. At an average pH of 5.31 the soil is moderately acidic, below Tomato's preferred 6–7 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. The main gap is phosphorus and potassium — measured at N 1.36 g/kg, P 12.5 mg/kg, K 177 mg/kg against this crop's high/high/high demand — so the fertilizer plan below prioritises closing those deficits. Tomato prefers loam soils, while Kirinyaga is largely clay, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Tomato is the #54 soil match of the 106 crops we assess for Kirinyaga County. Tomato's full potential is about 15,000 kg/acre (~KES 750,000/acre at KES 50/kg), but at Kirinyaga's 66/100 suitability a realistic target here is closer to 12,375 kg/acre (~KES 618,750/acre) unless the constraints above are addressed.
Soil & climate match
| Factor | Kirinyaga soil | Tomato needs | Status |
|---|---|---|---|
| pH | 5.31 | 6–7 | Adjust |
| Nitrogen | 1.36 g/kg | min 1.2 g/kg | OK |
| Phosphorus | 12.5 mg/kg | min 20 mg/kg | Low |
| Potassium | 177 mg/kg | min 200 mg/kg | Low |
| Rainfall | 1,300 mm | 600–1,400 mm | OK |
| Altitude | 1,500 m | 0–1,800 m | OK |
Planting calendar for Kirinyaga
Long Rains· March–MayMain season here
Short Rains· October–December
Dry Season· January–March
Top dressing guide
Kirinyaga's nitrogen (1.36 g/kg) already meets Tomato's 1.2 g/kg requirement, so this is a maintenance rate.
Seed varieties for Kirinyaga
Varieties suited to Kirinyaga's 1,500 m altitude and 1,300 mm annual rainfall — 2 of 2 tomato varieties we list.
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag