Growing Wheat in Nyandarua

Soil suitability analysis based on Nyandarua's nutrient profile

Quick answer

Yes, with the right inputs — Nyandarua is moderately suited to Wheat. Nyandarua's soil (pH 5.38, strongly acidic) gives Wheat a suitability score of 59/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.

Wheat can be grown in Nyandarua County, but the soil scores 59/100 and needs targeted management to reach full potential. At an average pH of 5.38 the soil is moderately acidic, below Wheat's preferred 6–7.5 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. The main gap is phosphorus — measured at N 1.28 g/kg, P 14 mg/kg, K 166 mg/kg against this crop's high/high/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly clay soils suit Wheat, which favours clay. On ShambaIQ's soil-match model, Wheat is the #46 soil match of the 106 crops we assess for Nyandarua County. Wheat's full potential is about 2,000 kg/acre (~KES 100,000/acre at KES 50/kg), but at Nyandarua's 59/100 suitability a realistic target here is closer to 1,475 kg/acre (~KES 73,750/acre) unless the constraints above are addressed.

Better matched to Nyandarua's soil: Tea, Pyrethrum, and Potato — each scores higher on the same soil.

59Suitability score

Soil & climate match

FactorNyandarua soilWheat needsStatus
pH5.3867.5Adjust
Nitrogen1.28 g/kgmin 1.2 g/kgOK
Phosphorus14 mg/kgmin 20 mg/kgLow
Potassium166 mg/kgmin 150 mg/kgOK
Rainfall1,100 mm450–950 mmHigh
Altitude2,300 m1,800–3,000 mOK

Planting calendar

Long Rains

Month 1
Drilling Sowing & Basal Fertilizer
Month 2
Top Dressing & Weed Control
Month 3
Pest Monitoring & Protection

Short Rains

Month 1
Sowing & Basal Fertilizer
Month 2
Top Dressing & Weed Control
Month 3
Pest Monitoring

Dry Season

Month 1
Post-Harvest Processing
Month 2
Land Resting
Month 3
Dry Planting Preparation

Top dressing guide

Product
CAN
Timing
Tillering stage (Week 3–4)
Instruction
Apply at tillering for maximum tiller development
Bags per Acre
1

Recommended seed varieties

KS MwambaHighland
Kenya Seed Company · 130-150 days · 30-35 bags/acre
Stem rust resistant; strong lodging resistance.
RobinHighland
KALRO · 120-140 days · 28-32 bags/acre
Consistent performance across environments.

Economics

Market priceKES 50/kg
Expected yield in Nyandarua1,475 kg/acre
Estimated revenueKES 73,750/acre
Adjusted for Nyandarua's 59/100 suitability. Under ideal conditions Wheat can reach 2,000 kg/acre (~KES 100,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureClay

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