Growing Coffee (Robusta) in Busia

Soil suitability analysis based on Busia's nutrient profile

Quick answer

Yes, with the right inputs — Busia is moderately suited to Coffee (Robusta). Busia's soil (pH 5.29, strongly acidic) gives Coffee (Robusta) a suitability score of 74/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.

Busia County is a solid choice for Coffee (Robusta), with a soil-match score of 74/100. Local soils average pH 5.29 — moderately acidic and inside the 5–6.5 band Coffee (Robusta) prefers, so no lime is usually required. The main gap is nitrogen and potassium — measured at N 0.91 g/kg, P 16.6 mg/kg, K 175 mg/kg against this crop's high/medium/high demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly clay loam soils suit Coffee (Robusta), which favours loam. On ShambaIQ's soil-match model, Coffee (Robusta) is the #21 soil match of the 106 crops we assess for Busia County. At current prices (about KES 80/kg) and a typical 950 kg/acre yield, a well-managed Coffee (Robusta) crop here can gross roughly KES 76,000 per acre.

74Suitability score

Soil & climate match

FactorBusia soilCoffee (Robusta) needsStatus
pH5.2956.5OK
Nitrogen0.91 g/kgmin 1.2 g/kgLow
Phosphorus16.6 mg/kgmin 12 mg/kgOK
Potassium175 mg/kgmin 200 mg/kgLow
Rainfall1,400 mm1,500–2,500 mmLow
Altitude1,200 m0–1,200 mOK

Planting calendar for Busia

Long Rains· MarchMayMain season here

March
Fertilizer Application & Weed Control
April
Fruit Development Monitoring
May
Light Pruning & Pest Management

Short Rains· SeptemberNovember

September
Cherry Ripening & Selective Harvesting
October
Post-Harvest Fertilizer Application
November
Pruning & Stumping if needed

Dry Season· JanuaryMarch

January
Main Pruning & Soil Conservation
February
Rest & Recovery
March
Pre-Season Fertilizer & Soil pH Check

Top dressing guide

Product
CAN
Timing
Split 3 times per year
Instruction
Apply after harvest, at flowering, and during berry expansion.
Bags per acre in Busia
1.251

Busia's nitrogen (0.91 g/kg) is 76% of the 1.2 g/kg Coffee (Robusta) needs, so the standard 1 bag/acre is raised to 1.25. Split it across two applications to limit leaching.

Seed varieties for Busia

Varieties suited to Busia's 1,200 m altitude and 1,400 mm annual rainfall — 2 of 2 coffee (robusta) varieties we list.

R7Medium/Highland
Coffee Research Institute/KALRO · 730-1000 days · 600–900 kg/acre
High yielding; suited to western Kenya conditions; disease tolerant.
R2Medium
Coffee Research Institute/KALRO · 730-1000 days · 500–750 kg/acre
Early bearing; good cup quality for local and export markets.

Economics

Market priceKES 80/kg
Expected yield in Busia879 kg/acre
Estimated revenueKES 70,320/acre
Adjusted for Busia's 74/100 suitability. Under ideal conditions Coffee (Robusta) can reach 950 kg/acre (~KES 76,000/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