Growing Coconuts in Garissa

Soil suitability analysis based on Garissa's nutrient profile

Quick answer

Generally not ideal — Garissa is poorly suited to Coconuts. Garissa's soil (pH 7.96, alkaline) gives Coconuts a suitability score of 11/100. Match fertilizer to Garissa's nitrogen and phosphorus levels for the best result.

Garissa County is a challenging environment for Coconuts (soil-match score 11/100) and will need significant amendment before planting. Local soils average pH 7.96 — alkaline and inside the 5.5–8 band Coconuts prefers, so no lime is usually required. Nitrogen (0.61 g/kg), phosphorus (37.7 mg/kg) and potassium (407 mg/kg) all meet Coconuts's requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy soils suit Coconuts, which favours sandy. Garissa receives approximately 250 mm/year — well below Coconuts's minimum of 650 mm — so supplemental irrigation would be essential for this crop. Coconuts's full potential is about 2,500 kg/acre (~KES 55,000/acre at KES 22/kg), but at Garissa's 11/100 suitability a realistic target here is closer to 344 kg/acre (~KES 7,568/acre) unless the constraints above are addressed.

11Suitability score

Soil & climate match

FactorGarissa soilCoconuts needsStatus
pH7.965.58OK
Nitrogen0.61 g/kgmin 0.5 g/kgOK
Phosphorus37.7 mg/kgmin 6 mg/kgOK
Potassium407 mg/kgmin 200 mg/kgOK
Rainfall250 mm650–2,000 mmLow
Altitude200 m0–400 mOK

Top dressing guide

Product
CAN
Timing
Biannual start of rains
Instruction
Apply in a ring 1m from the base. Coconuts are heavy potassium feeders — supplement with muriate of potash.
Bags per Acre
0.5

Recommended seed varieties

East African TallCoastal
KALRO · 1500-2000 days · 7.2–10.8 tons/acre
Traditional variety; high nut yield; excellent adaptation to Kenya coast.
Malayan DwarfCoastal
KALRO · 1200-1800 days · 8.1–11.7 tons/acre
Early bearing dwarf; good for small farms; high copra content.

Economics

Market priceKES 22/kg
Expected yield in Garissa344 kg/acre
Estimated revenueKES 7,568/acre
Adjusted for Garissa's 11/100 suitability. Under ideal conditions Coconuts can reach 2,500 kg/acre (~KES 55,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureSandy

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(4,500)
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