Growing Basil in Kitui

Soil suitability analysis based on Kitui's nutrient profile

Basil can be grown in Kitui County, but the soil scores 58/100 and needs targeted management to reach full potential. Local soils average pH 7.03 — neutral and inside the 6–7.5 band Basil 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/medium/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy loam soils suit Basil, which favours loam. Basil's full potential is about 4,000 kg/acre (~KES 480,000/acre at KES 120/kg), but at Kitui's 58/100 suitability a realistic target here is closer to 2,900 kg/acre (~KES 348,000/acre) unless the constraints above are addressed.

58Suitability score

Soil & climate match

FactorKitui soilBasil needsStatus
pH7.0367.5OK
Nitrogen0.74 g/kgmin 1.2 g/kgLow
Phosphorus30.5 mg/kgmin 12 mg/kgOK
Potassium339 mg/kgmin 150 mg/kgOK
Rainfall500 mm600–1,200 mmLow
Altitude900 m0–2,100 mOK

Planting calendar

Long Rains

Month 1
Nursery & Transplanting
Month 2
Top Dressing & Pinching
Month 3
Continuous Harvest

Short Rains

Month 1
Direct Sowing & Basal
Month 2
Pinching & Top Dressing
Month 3
Continuous Harvest

Top dressing guide

Product
CAN
Timing
Week 3 and after each cutting
Instruction
Top-dress after each harvest to sustain leafy regrowth. Excess nitrogen dilutes the aroma.
Bags per Acre
0.3

Economics

Market priceKES 120/kg
Expected yield in Kitui2,900 kg/acre
Estimated revenueKES 348,000/acre
Adjusted for Kitui's 58/100 suitability. Under ideal conditions Basil can reach 4,000 kg/acre (~KES 480,000/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