Growing Lucerne in Isiolo

Soil suitability analysis based on Isiolo's nutrient profile

Quick answer

Yes, with the right inputs — Isiolo is moderately suited to Lucerne. Isiolo's soil (pH 7.83, alkaline) gives Lucerne a suitability score of 64/100. Match fertilizer to Isiolo's nitrogen and phosphorus levels for the best result.

Isiolo County is a solid choice for Lucerne, with a soil-match score of 64/100. Local soils average pH 7.83 — alkaline and inside the 6.5–8 band Lucerne prefers, so no lime is usually required. The main gap is nitrogen — measured at N 0.46 g/kg, P 37.4 mg/kg, K 395 mg/kg against this crop's low/medium/high demand — so the fertilizer plan below prioritises closing that deficit. Lucerne prefers clay loam soils, while Isiolo is largely sandy, so drainage and organic-matter management matter more here. Lucerne's full potential is about 8,000 kg/acre (~KES 224,000/acre at KES 28/kg), but at Isiolo's 64/100 suitability a realistic target here is closer to 6,400 kg/acre (~KES 179,200/acre) unless the constraints above are addressed.

64Suitability score

Soil & climate match

FactorIsiolo soilLucerne needsStatus
pH7.836.58OK
Nitrogen0.46 g/kgmin 0.5 g/kgLow
Phosphorus37.4 mg/kgmin 12 mg/kgOK
Potassium395 mg/kgmin 200 mg/kgOK
Rainfall350 mm400–800 mmLow
Altitude900 m0–2,500 mOK

Top dressing guide

Product
None
Timing
None required
Instruction
Lucerne is a legume and fixes its own Nitrogen. Apply phosphorus and potassium at establishment only.
Bags per Acre
0

Recommended seed varieties

CUF 101Highland
Local · 60-90 days · 4–6 tons/acre
High protein fodder; perennial; suited to irrigated highland production.
SA KarooMedium/Highland
Local · 60-90 days · 3.5–5 tons/acre
Drought tolerant; persistent stand; good protein content.

Economics

Market priceKES 28/kg
Expected yield in Isiolo6,400 kg/acre
Estimated revenueKES 179,200/acre
Adjusted for Isiolo's 64/100 suitability. Under ideal conditions Lucerne can reach 8,000 kg/acre (~KES 224,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureClay Loam

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