Growing Groundnuts in Vihiga

Soil suitability analysis based on Vihiga's nutrient profile

Quick answer

Yes — Vihiga is well suited to Groundnuts. Vihiga's soil (pH 5.62, slightly acidic) gives Groundnuts a suitability score of 77/100. Match fertilizer to Vihiga's nitrogen and phosphorus levels for the best result.

Vihiga County is well suited to Groundnuts, scoring 77/100 on ShambaIQ's soil-match model. Local soils average pH 5.62 — slightly acidic to near-neutral and inside the 5–7 band Groundnuts prefers, so no lime is usually required. Nitrogen (1.02 g/kg), phosphorus (14.8 mg/kg) and potassium (164 mg/kg) all meet Groundnuts's requirements, so a maintenance fertilizer programme is enough. Groundnuts prefers sandy soils, while Vihiga is largely clay loam, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Groundnuts is the #21 soil match of the 106 crops we assess for Vihiga County. At current prices (about KES 90/kg) and a typical 500 kg/acre yield, a well-managed Groundnuts crop here can gross roughly KES 45,000 per acre.

77Suitability score

Soil & climate match

FactorVihiga soilGroundnuts needsStatus
pH5.6257OK
Nitrogen1.02 g/kgmin 0.5 g/kgOK
Phosphorus14.8 mg/kgmin 12 mg/kgOK
Potassium164 mg/kgmin 150 mg/kgOK
Rainfall1,800 mm500–1,400 mmHigh
Altitude1,700 m0–1,800 mOK

Top dressing guide

Product
None
Timing
None required
Instruction
Groundnuts fix their own Nitrogen. Apply gypsum at pegging for calcium.
Bags per acre in Vihiga
0

Vihiga's nitrogen reads 1.02 g/kg, but the rate stays at zero: Groundnuts is not top-dressed, for the crop-specific reason above.

Seed varieties for Vihiga

Varieties suited to Vihiga's 1,700 m altitude and 1,800 mm annual rainfall — 1 of 2 groundnuts varieties we list.

ICGV-SM 99568Dryland/Medium
ICRISAT/KALRO · 90-100 days · 8-12 bags/acre
Rosette virus resistant; high oil content.

Economics

Market priceKES 90/kg
Expected yield in Vihiga481 kg/acre
Estimated revenueKES 43,290/acre
Adjusted for Vihiga's 77/100 suitability. Under ideal conditions Groundnuts can reach 500 kg/acre (~KES 45,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureSandy

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