Growing Pyrethrum in Turkana

Soil suitability analysis based on Turkana's nutrient profile

Quick answer

Generally not ideal — Turkana is poorly suited to Pyrethrum. Turkana's soil (pH 7.95, alkaline) gives Pyrethrum a suitability score of 0/100. Match fertilizer to Turkana's nitrogen and phosphorus levels for the best result.

Turkana County is a challenging environment for Pyrethrum (soil-match score 0/100) and will need significant amendment before planting. At an average pH of 7.95 the soil sits above Pyrethrum's preferred 5–6.5 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.41 g/kg, P 38.5 mg/kg, K 417 mg/kg against this crop's medium/high/medium demand — so the fertilizer plan below prioritises closing that deficit. Pyrethrum prefers loam soils, while Turkana is largely sandy, so drainage and organic-matter management matter more here. Turkana receives approximately 300 mm/year — well below Pyrethrum's minimum of 900 mm — so supplemental irrigation would be essential for this crop. On ShambaIQ's soil-match model, Pyrethrum is the #103 soil match of the 106 crops we assess for Turkana County. Pyrethrum's full potential is about 500 kg/acre (~KES 140,000/acre at KES 280/kg), but at Turkana's 0/100 suitability a realistic target here is closer to 0 kg/acre (~KES 0/acre) unless the constraints above are addressed.

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

0Suitability score

Soil & climate match

FactorTurkana soilPyrethrum needsStatus
pH7.9556.5Adjust
Nitrogen0.41 g/kgmin 0.8 g/kgLow
Phosphorus38.5 mg/kgmin 20 mg/kgOK
Potassium417 mg/kgmin 150 mg/kgOK
Rainfall300 mm900–1,500 mmLow
Altitude400 m1,800–3,000 mLow

Top dressing guide

Product
CAN
Timing
Week 4–6 after planting
Instruction
One application at vegetative stage to support flower production.
Bags per Acre
0.5

Recommended seed varieties

P4Highland
Pyrethrum Board of Kenya · 180-240 days · 150–250 kg/acre
High pyrethrin content; suited to highland conditions.
Clone 22Highland
Pyrethrum Board of Kenya · 180-240 days · 200–300 kg/acre
High yielding clone; good flower production.

Economics

Market priceKES 280/kg
Expected yield in Turkana0 kg/acre
Estimated revenueKES 0/acre
Adjusted for Turkana's 0/100 suitability. Under ideal conditions Pyrethrum can reach 500 kg/acre (~KES 140,000/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