Growing Oilseed Rape (Canola) in Kajiado

Soil suitability analysis based on Kajiado's nutrient profile

Quick answer

Yes, with the right inputs — Kajiado is moderately suited to Oilseed Rape (Canola). Kajiado's soil (pH 6.55, near-neutral) gives Oilseed Rape (Canola) a suitability score of 67/100. Match fertilizer to Kajiado's nitrogen and phosphorus levels for the best result.

Kajiado County is a solid choice for Oilseed Rape (Canola), with a soil-match score of 67/100. Local soils average pH 6.55 — neutral and inside the 5.8–7.5 band Oilseed Rape (Canola) prefers, so no lime is usually required. The main gap is nitrogen — measured at N 0.97 g/kg, P 20.6 mg/kg, K 257 mg/kg against this crop's high/high/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy loam soils suit Oilseed Rape (Canola), which favours loam. On ShambaIQ's soil-match model, Oilseed Rape (Canola) is the #44 soil match of the 106 crops we assess for Kajiado County. Oilseed Rape (Canola)'s full potential is about 1,000 kg/acre (~KES 60,000/acre at KES 60/kg), but at Kajiado's 67/100 suitability a realistic target here is closer to 838 kg/acre (~KES 50,280/acre) unless the constraints above are addressed.

67Suitability score

Soil & climate match

FactorKajiado soilOilseed Rape (Canola) needsStatus
pH6.555.87.5OK
Nitrogen0.97 g/kgmin 1.2 g/kgLow
Phosphorus20.6 mg/kgmin 20 mg/kgOK
Potassium257 mg/kgmin 150 mg/kgOK
Rainfall500 mm400–900 mmOK
Altitude1,300 m1,500–2,800 mLow

Planting calendar for Kajiado

Long Rains· MarchMay

March
Land Prep & Sowing & Basal
April
Top Dressing & Weeding
May
Flowering & Pod Fill & Harvest

Short Rains· OctoberDecemberMain season here

October
Land Prep & Sowing & Basal
November
Top Dressing & Weeding
December
Flowering & Pod Fill & Harvest

Top dressing guide

Product
CAN
Timing
Week 4 and at stem elongation
Instruction
Sulfur-demanding — prefer Ammonium Sulphate. Add boron at flowering for pod set.
Bags per acre in Kajiado
0.750.5

Kajiado's nitrogen (0.97 g/kg) is 81% of the 1.2 g/kg Oilseed Rape (Canola) needs, so the standard 0.5 bags/acre is raised to 0.75. Split it across two applications to limit leaching.

Economics

Market priceKES 60/kg
Expected yield in Kajiado838 kg/acre
Estimated revenueKES 50,280/acre
Adjusted for Kajiado's 67/100 suitability. Under ideal conditions Oilseed Rape (Canola) can reach 1,000 kg/acre (~KES 60,000/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(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