Growing Macadamia in Nyeri

Soil suitability analysis based on Nyeri's nutrient profile

Quick answer

Yes — Nyeri is well suited to Macadamia. Nyeri's soil (pH 5.23, strongly acidic) gives Macadamia a suitability score of 92/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.

Nyeri County is well suited to Macadamia, scoring 92/100 on ShambaIQ's soil-match model. Local soils average pH 5.23 — moderately acidic and inside the 4.5–6.5 band Macadamia prefers, so no lime is usually required. Nitrogen (1.09 g/kg), phosphorus (15.5 mg/kg) and potassium (192 mg/kg) all meet Macadamia's requirements, so a maintenance fertilizer programme is enough. Macadamia prefers loam soils, while Nyeri is largely clay, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Macadamia is the single best-matched crop of the 106 we assess for Nyeri County. At current prices (about KES 110/kg) and a typical 1,800 kg/acre yield, a well-managed Macadamia crop here can gross roughly KES 198,000 per acre.

92Suitability score

Soil & climate match

FactorNyeri soilMacadamia needsStatus
pH5.234.56.5OK
Nitrogen1.09 g/kgmin 0.8 g/kgOK
Phosphorus15.5 mg/kgmin 12 mg/kgOK
Potassium192 mg/kgmin 150 mg/kgOK
Rainfall1,200 mm700–1,500 mmOK
Altitude1,700 m900–2,100 mOK

Planting calendar

Long Rains

Month 1
Fertilizer (NPK) & Weed Control
Month 2
Flower & Nut-set Monitoring
Month 3
Stink Bug Scouting & Pruning

Short Rains

Month 1
Nut Development & Top Dressing
Month 2
Pest Control (nut borer)
Month 3
Harvest Mature Nut Fall

Dry Season

Month 1
Harvest & Dehusking
Month 2
Irrigation & Mulching
Month 3
Formative & Sanitation Pruning

Top dressing guide

Product
CAN
Timing
Start of rains (biannual)
Instruction
Apply in ring around drip line. Young trees need less.
Bags per Acre
0.5

Recommended seed varieties

KRG 15Medium/Highland
KALRO · 1000-1500 days · 2.7–4.5 tons/acre
High nut recovery; suited to central highlands.
Embu 1Medium/Highland
KALRO · 1000-1500 days · 2.3–4.0 tons/acre
Good kernel quality; moderate yield.
EMB-3Medium/Highland
KALRO-Thika · 1400-1550 days · 3.1–5.0 tons/acre
High first-grade nut ratio; good kernel recovery; KEPHIS certified; suited to Central Kenya highlands.

Economics

Market priceKES 110/kg
Expected yield 1,800 kg/acre
Estimated revenueKES 198,000/acre

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