Growing Potato in Laikipia

Soil suitability analysis based on Laikipia's nutrient profile

Quick answer

Yes, with the right inputs — Laikipia is moderately suited to Potato. Laikipia's soil (pH 4.99, strongly acidic) gives Potato a suitability score of 61/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.

Laikipia County is a solid choice for Potato, with a soil-match score of 61/100. Local soils average pH 4.99 — strongly acidic and inside the 4.8–6.5 band Potato prefers, so no lime is usually required. The main gap is phosphorus — measured at N 1.42 g/kg, P 16.6 mg/kg, K 215 mg/kg against this crop's high/high/high demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy loam soils suit Potato, which favours sandy loam. On ShambaIQ's soil-match model, Potato is the #46 soil match of the 106 crops we assess for Laikipia County. Potato's full potential is about 8,000 kg/acre (~KES 304,000/acre at KES 38/kg), but at Laikipia's 61/100 suitability a realistic target here is closer to 6,100 kg/acre (~KES 231,800/acre) unless the constraints above are addressed.

61Suitability score

Soil & climate match

FactorLaikipia soilPotato needsStatus
pH4.994.8–6.5OK
Nitrogen1.42 g/kgmin 1.2 g/kgOK
Phosphorus16.6 mg/kgmin 20 mg/kgLow
Potassium215 mg/kgmin 200 mg/kgOK
Rainfall600 mm700–1,500 mmLow
Altitude1,700 m1,500–3,000 mOK

Planting calendar for Laikipia

Long Rains· April–JuneMain season here

April
Planting Tubers & Basal Fertilizer (NPK)
May
Earthing Up & Top Dressing (CAN)
June
Pest Control (Blight) & Weeding

Short Rains· October–December

October
Planting & Basal Fertilizer
November
Earthing Up & Top Dressing
December
Blight Control

Dry Season· February–April

February
Harvesting & Storage
March
Land Resting
April
Seed Tuber Sprouting

Top dressing guide

Product
CAN
Timing
Week 3–4 after emergence
Instruction
Apply when plants are 15–20cm tall, before earthing up
Bags per acre in Laikipia
1

Laikipia's nitrogen (1.42 g/kg) already meets Potato's 1.2 g/kg requirement, so this is a maintenance rate.

Seed varieties for Laikipia

14 potato varieties are rated for Laikipia's altitude (1,700 m) and rainfall (600 mm):

Shangi· Medium/HighlandUnica· Dryland/MediumTigoni· HighlandAsante· Medium/HighlandKenya Furaha· Medium/HighlandKenya Mpya· Medium/HighlandClone IG-70· HighlandDutch Robijn· HighlandKenya Baraka· HighlandSherekea· Medium/HighlandLenana· HighlandWanjiku· HighlandNyota· HighlandChulu· Highland
Full variety details — maturity, yield & breeder →

Economics

Market priceKES 38/kg
Expected yield in Laikipia6,100 kg/acre
Estimated revenueKES 231,800/acre
Adjusted for Laikipia's 61/100 suitability. Under ideal conditions Potato can reach 8,000 kg/acre (~KES 304,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureSandy Loam

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