Growing Cassava in Mombasa

Soil suitability analysis based on Mombasa's nutrient profile

Quick answer

Yes — Mombasa is well suited to Cassava. Mombasa's soil (pH 6.24, slightly acidic) gives Cassava a suitability score of 88/100. Match fertilizer to Mombasa's nitrogen and phosphorus levels for the best result.

Mombasa County is well suited to Cassava, scoring 88/100 on ShambaIQ's soil-match model. Local soils average pH 6.24 — slightly acidic to near-neutral and inside the 4.5–7 band Cassava prefers, so no lime is usually required. The main gap is potassium — measured at N 0.95 g/kg, P 8.4 mg/kg, K 136 mg/kg against this crop's low/low/medium demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy soils suit Cassava, which favours sandy. On ShambaIQ's soil-match model, Cassava is the #5 soil match of the 106 crops we assess for Mombasa County. At current prices (about KES 15/kg) and a typical 6,000 kg/acre yield, a well-managed Cassava crop here can gross roughly KES 90,000 per acre.

88Suitability score

Soil & climate match

FactorMombasa soilCassava needsStatus
pH6.244.57OK
Nitrogen0.95 g/kgmin 0.5 g/kgOK
Phosphorus8.4 mg/kgmin 6 mg/kgOK
Potassium136 mg/kgmin 150 mg/kgLow
Rainfall1,000 mm500–1,500 mmOK
Altitude50 m0–1,400 mOK

Planting calendar

Long Rains

Month 1
Stem Cutting Planting
Month 2
Weeding & Pest Monitoring
Month 3
Growth Monitoring

Short Rains

Month 1
Weeding & Mound Formation
Month 2
Pest & Disease Scouting
Month 3
Growth Monitoring

Dry Season

Month 1
Harvesting (12+ months from planting)
Month 2
Processing & Storage
Month 3
Land Preparation for next crop

Top dressing guide

Product
None
Timing
None required
Instruction
Cassava is low-input. Excessive N causes leafy growth at expense of tubers.
Bags per Acre
0

Recommended seed varieties

TajirikaCoastal/Dryland
KALRO · 300-365 days · 4–6 tons/acre
High yielding; tolerant to cassava mosaic disease.
ShibeCoastal/Medium
KALRO · 270-330 days · 3–5 tons/acre
Sweet variety; low cyanide content; good for table use.

Economics

Market priceKES 15/kg
Expected yield 6,000 kg/acre
Estimated revenueKES 90,000/acre

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