Growing Turmeric in Marsabit

Soil suitability analysis based on Marsabit's nutrient profile

Quick answer

Generally not ideal — Marsabit is poorly suited to Turmeric. Marsabit's soil (pH 8.22, alkaline) gives Turmeric a suitability score of 5/100. Match fertilizer to Marsabit's nitrogen and phosphorus levels for the best result.

Marsabit County is a challenging environment for Turmeric (soil-match score 5/100) and will need significant amendment before planting. At an average pH of 8.22 the soil sits above Turmeric's preferred 5.5–7.5 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.52 g/kg, P 37.3 mg/kg, K 420 mg/kg against this crop's high/high/high demand — so the fertilizer plan below prioritises closing that deficit. Turmeric prefers loam soils, while Marsabit is largely sandy, so drainage and organic-matter management matter more here. Marsabit receives approximately 300 mm/year — well below Turmeric's minimum of 1000 mm — so supplemental irrigation would be essential for this crop. On ShambaIQ's soil-match model, Turmeric is the #86 soil match of the 106 crops we assess for Marsabit County. Turmeric's full potential is about 6,000 kg/acre (~KES 480,000/acre at KES 80/kg), but at Marsabit's 5/100 suitability a realistic target here is closer to 375 kg/acre (~KES 30,000/acre) unless the constraints above are addressed.

Better matched to Marsabit's soil: Sisal, Chia, and Aloe Vera — each scores higher on the same soil.

5Suitability score

Soil & climate match

FactorMarsabit soilTurmeric needsStatus
pH8.225.57.5Adjust
Nitrogen0.52 g/kgmin 1.2 g/kgLow
Phosphorus37.3 mg/kgmin 20 mg/kgOK
Potassium420 mg/kgmin 200 mg/kgOK
Rainfall300 mm1,000–2,000 mmLow
Altitude1,100 m0–1,500 mOK

Planting calendar for Marsabit

Long Rains· MarchMay

March
Rhizome Planting & Basal
April
Earthing Up & Top Dressing
May
Rhizome Bulking

Short Rains· OctoberDecemberMain season here

October
Rhizome Planting & Basal
November
Earthing Up & Top Dressing
December
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 in Marsabit
0.750.5

Marsabit's nitrogen (0.52 g/kg) is 43% of the 1.2 g/kg Turmeric needs, so the standard 0.5 bags/acre is raised to 0.75. Split it across two applications to limit leaching.

Economics

Market priceKES 80/kg
Expected yield in Marsabit375 kg/acre
Estimated revenueKES 30,000/acre
Adjusted for Marsabit's 5/100 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(5,700)
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