Growing Tomato in Kitui

Soil suitability analysis based on Kitui's nutrient profile

Quick answer

Yes, with the right inputs — Kitui is moderately suited to Tomato. Kitui's soil (pH 7.03, near-neutral) gives Tomato a suitability score of 55/100. Match fertilizer to Kitui's nitrogen and phosphorus levels for the best result.

Tomato can be grown in Kitui County, but the soil scores 55/100 and needs targeted management to reach full potential. At an average pH of 7.03 the soil sits above Tomato's preferred 6–7 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.74 g/kg, P 30.5 mg/kg, K 339 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 Tomato, which favours loam. Tomato's full potential is about 15,000 kg/acre (~KES 750,000/acre at KES 50/kg), but at Kitui's 55/100 suitability a realistic target here is closer to 10,313 kg/acre (~KES 515,650/acre) unless the constraints above are addressed.

55Suitability score

Soil & climate match

FactorKitui soilTomato needsStatus
pH7.0367Adjust
Nitrogen0.74 g/kgmin 1.2 g/kgLow
Phosphorus30.5 mg/kgmin 20 mg/kgOK
Potassium339 mg/kgmin 200 mg/kgOK
Rainfall500 mm600–1,400 mmLow
Altitude900 m0–1,800 mOK

Planting calendar

Long Rains

Month 1
Nursery Preparation & Transplanting
Month 2
Top Dressing & Staking & Pest Control
Month 3
Harvesting & Disease Management

Short Rains

Month 1
Nursery & Transplanting & Basal Fertilizer
Month 2
Staking & Top Dressing & Pest Control
Month 3
Harvesting

Dry Season

Month 1
Land Preparation & Irrigation Setup
Month 2
Nursery (irrigated)
Month 3
Transplanting & Basal Fertilizer

Top dressing guide

Product
CAN
Timing
Week 3, 6, and 9
Instruction
Split into 3 applications. Add foliar potassium at fruiting stage.
Bags per Acre
0.5

Recommended seed varieties

Rambo F1Medium/Highland
Royal Seeds · 75-80 days · 6–7.2 tons/acre
Determinate hybrid; excellent disease tolerance.
Money MakerMedium/Highland
Simlaw Seeds · 80-90 days · 4–4.8 tons/acre
Reliable open-pollinated variety.

Economics

Market priceKES 50/kg
Expected yield in Kitui10,313 kg/acre
Estimated revenueKES 515,650/acre
Adjusted for Kitui's 55/100 suitability. Under ideal conditions Tomato can reach 15,000 kg/acre (~KES 750,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureLoam

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(4,500)
NPK 17:17:17
KES 3,275(5,600)
Urea
KES 3,500(5,500)
Lime
KES 1,500(1,800)

Green = subsidized · (Commercial) per 50kg bag