Growing Chia in Homa Bay

Soil suitability analysis based on Homa Bay's nutrient profile

Quick answer

Possible but challenging — Homa Bay is only marginally suited to Chia. Homa Bay's soil (pH 5.27, strongly acidic) gives Chia a suitability score of 52/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.

Chia can be grown in Homa Bay County, but the soil scores 52/100 and needs targeted management to reach full potential. At an average pH of 5.27 the soil is moderately acidic, below Chia's preferred 6–8 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. Nitrogen (1.05 g/kg), phosphorus (13.8 mg/kg) and potassium (147 mg/kg) all meet Chia's requirements, so a maintenance fertilizer programme is enough. Chia prefers sandy loam soils, while Homa Bay is largely clay loam, so drainage and organic-matter management matter more here. On ShambaIQ's soil-match model, Chia is the #85 soil match of the 106 crops we assess for Homa Bay County. Chia's full potential is about 400 kg/acre (~KES 60,000/acre at KES 150/kg), but at Homa Bay's 52/100 suitability a realistic target here is closer to 260 kg/acre (~KES 39,000/acre) unless the constraints above are addressed.

Better matched to Homa Bay's soil: Macadamia, Avocado, and Pineapple — each scores higher on the same soil.

52Suitability score

Soil & climate match

FactorHoma Bay soilChia needsStatus
pH5.2768Adjust
Nitrogen1.05 g/kgmin 0.5 g/kgOK
Phosphorus13.8 mg/kgmin 12 mg/kgOK
Potassium147 mg/kgmin 100 mg/kgOK
Rainfall1,100 mm300–800 mmHigh
Altitude1,200 m1,000–2,200 mOK

Planting calendar for Homa Bay

Long Rains· MarchMayMain season here

March
Land Prep & Sowing
April
Thinning & Top Dressing
May
Flowering & Harvest

Short Rains· SeptemberNovember

September
Land Prep & Sowing
October
Thinning & Top Dressing
November
Flowering & Harvest

Top dressing guide

Product
CAN
Timing
Week 4
Instruction
Light feeder — a small top-dress at branching. Excess nitrogen causes lodging.
Bags per acre in Homa Bay
0.250.2

Homa Bay's nitrogen (1.05 g/kg) already meets Chia's 0.5 g/kg requirement, so this is a maintenance rate.

Economics

Market priceKES 150/kg
Expected yield in Homa Bay260 kg/acre
Estimated revenueKES 39,000/acre
Adjusted for Homa Bay's 52/100 suitability. Under ideal conditions Chia can reach 400 kg/acre (~KES 60,000/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