Growing Celery in Kitui

Soil suitability analysis based on Kitui's nutrient profile

Kitui County is a challenging environment for Celery (soil-match score 34/100) and will need significant amendment before planting. Local soils average pH 7.03 — neutral and inside the 6–7.5 band Celery prefers, so no lime is usually required. 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 Celery, which favours loam. Kitui receives approximately 500 mm/year — well below Celery's minimum of 700 mm — so supplemental irrigation would be essential for this crop. Celery's full potential is about 12,000 kg/acre (~KES 840,000/acre at KES 70/kg), but at Kitui's 34/100 suitability a realistic target here is closer to 5,100 kg/acre (~KES 357,000/acre) unless the constraints above are addressed.

34Suitability score

Soil & climate match

FactorKitui soilCelery needsStatus
pH7.0367.5OK
Nitrogen0.74 g/kgmin 1.2 g/kgLow
Phosphorus30.5 mg/kgmin 20 mg/kgOK
Potassium339 mg/kgmin 200 mg/kgOK
Rainfall500 mm700–1,400 mmLow
Altitude900 m1,000–2,600 mLow

Planting calendar

Long Rains

Month 1
Nursery & Transplanting & Basal
Month 2
Top Dressing & Weeding
Month 3
Blanching & Harvest

Short Rains

Month 1
Nursery & Transplanting & Basal
Month 2
Top Dressing & Weeding
Month 3
Blanching & Harvest

Top dressing guide

Product
CAN
Timing
Every 3 weeks
Instruction
Heavy feeder needing constant moisture and nitrogen for crisp stalks.
Bags per Acre
0.5

Economics

Market priceKES 70/kg
Expected yield in Kitui5,100 kg/acre
Estimated revenueKES 357,000/acre
Adjusted for Kitui's 34/100 suitability. Under ideal conditions Celery can reach 12,000 kg/acre (~KES 840,000/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