Growing Turmeric in Taita Taveta

Soil suitability analysis based on Taita Taveta's nutrient profile

Taita Taveta County is a challenging environment for Turmeric (soil-match score 20/100) and will need significant amendment before planting. Local soils average pH 6.64 — neutral and inside the 5.5–7.5 band Turmeric prefers, so no lime is usually required. The main gap is nitrogen, phosphorus, and potassium — measured at N 0.97 g/kg, P 12.9 mg/kg, K 104 mg/kg against this crop's high/high/high demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly loam soils suit Turmeric, which favours loam. Taita Taveta receives approximately 500 mm/year — well below Turmeric's minimum of 1000 mm — so supplemental irrigation would be essential for this crop. Turmeric's full potential is about 6,000 kg/acre (~KES 480,000/acre at KES 80/kg), but at Taita Taveta's 20/100 suitability a realistic target here is closer to 1,500 kg/acre (~KES 120,000/acre) unless the constraints above are addressed.

20Suitability score

Soil & climate match

FactorTaita Taveta soilTurmeric needsStatus
pH6.645.57.5OK
Nitrogen0.97 g/kgmin 1.2 g/kgLow
Phosphorus12.9 mg/kgmin 20 mg/kgLow
Potassium104 mg/kgmin 200 mg/kgLow
Rainfall500 mm1,000–2,000 mmLow
Altitude700 m0–1,500 mOK

Planting calendar

Long Rains

Month 1
Rhizome Planting & Basal
Month 2
Earthing Up & Top Dressing
Month 3
Rhizome Bulking

Short Rains

Month 1
Rhizome Planting & Basal
Month 2
Earthing Up & Top Dressing
Month 3
Rhizome Bulking

Top dressing guide

Product
CAN
Timing
Week 6 and at rhizome bulking
Instruction
Earth up and top-dress at bulking. Add potassium for rhizome size.
Bags per Acre
0.5

Economics

Market priceKES 80/kg
Expected yield in Taita Taveta1,500 kg/acre
Estimated revenueKES 120,000/acre
Adjusted for Taita Taveta's 20/100 suitability. Under ideal conditions Turmeric can reach 6,000 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