Growing Green Grams in Isiolo
Soil suitability analysis based on Isiolo's nutrient profile
Yes, with the right inputs — Isiolo is moderately suited to Green Grams. Isiolo's soil (pH 7.83, alkaline) gives Green Grams a suitability score of 72/100. Match fertilizer to Isiolo's nitrogen and phosphorus levels for the best result.
Isiolo County is a solid choice for Green Grams, with a soil-match score of 72/100. Local soils average pH 7.83 — alkaline and inside the 5.5–8 band Green Grams 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/low/low demand — so the fertilizer plan below prioritises closing that deficit. The county's predominantly sandy soils suit Green Grams, which favours sandy loam. At current prices (about KES 120/kg) and a typical 400 kg/acre yield, a well-managed Green Grams crop here can gross roughly KES 48,000 per acre.
Soil & climate match
| Factor | Isiolo soil | Green Grams needs | Status |
|---|---|---|---|
| pH | 7.83 | 5.5–8 | OK |
| Nitrogen | 0.46 g/kg | min 0.5 g/kg | Low |
| Phosphorus | 37.4 mg/kg | min 6 mg/kg | OK |
| Potassium | 395 mg/kg | min 100 mg/kg | OK |
| Rainfall | 350 mm | 250–700 mm | OK |
| Altitude | 900 m | 0–1,800 m | OK |
Top dressing guide
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag