Growing Snow Peas in Kitui

Soil suitability analysis based on Kitui's nutrient profile

Quick answer

Generally not ideal — Kitui is poorly suited to Snow Peas. Kitui's soil (pH 7.03, near-neutral) gives Snow Peas a suitability score of 16/100. Match fertilizer to Kitui's nitrogen and phosphorus levels for the best result.

Kitui County is a challenging environment for Snow Peas (soil-match score 16/100) and will need significant amendment before planting. Local soils average pH 7.03 — neutral and inside the 5.5–7.5 band Snow Peas prefers, so no lime is usually required. Nitrogen (0.74 g/kg), phosphorus (30.5 mg/kg) and potassium (339 mg/kg) all meet Snow Peas's requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy loam soils suit Snow Peas, which favours loam. Kitui receives approximately 500 mm/year — well below Snow Peas's minimum of 700 mm — so supplemental irrigation would be essential for this crop. Snow Peas's full potential is about 1,800 kg/acre (~KES 333,000/acre at KES 185/kg), but at Kitui's 16/100 suitability a realistic target here is closer to 360 kg/acre (~KES 66,600/acre) unless the constraints above are addressed.

16Suitability score

Soil & climate match

FactorKitui soilSnow Peas needsStatus
pH7.035.57.5OK
Nitrogen0.74 g/kgmin 0.5 g/kgOK
Phosphorus30.5 mg/kgmin 12 mg/kgOK
Potassium339 mg/kgmin 150 mg/kgOK
Rainfall500 mm700–1,200 mmLow
Altitude900 m1,500–3,000 mLow

Top dressing guide

Product
None
Timing
None required
Instruction
Snow Peas are a legume and fix their own Nitrogen. No top dressing needed.
Bags per Acre
0

Recommended seed varieties

Oregon Sugar PodMedium/Highland
East Africa Seeds · 60-70 days · 750–1000 kg/acre
Flat edible pods; excellent export quality; disease tolerant.
Mammoth MeltingHighland
Simlaw Seeds · 65-75 days · 800–1100 kg/acre
Large pods; sweet flavor; suited to highland export production.

Economics

Market priceKES 185/kg
Expected yield in Kitui360 kg/acre
Estimated revenueKES 66,600/acre
Adjusted for Kitui's 16/100 suitability. Under ideal conditions Snow Peas can reach 1,800 kg/acre (~KES 333,000/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