Growing Green Grams in Nairobi
Soil suitability analysis based on Nairobi's nutrient profile
Yes — Nairobi is well suited to Green Grams. Nairobi's soil (pH 6.85, near-neutral) gives Green Grams a suitability score of 80/100. Match fertilizer to Nairobi's nitrogen and phosphorus levels for the best result.
Nairobi County is well suited to Green Grams, scoring 80/100 on ShambaIQ's soil-match model. Local soils average pH 6.85 — neutral and inside the 5.5–8 band Green Grams prefers, so no lime is usually required. Nitrogen (1.1 g/kg), phosphorus (22.1 mg/kg) and potassium (236 mg/kg) all meet Green Grams's requirements, so a maintenance fertilizer programme is enough. Green Grams prefers sandy loam soils, while Nairobi is largely clay loam, so drainage and organic-matter management matter more here. 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 | Nairobi soil | Green Grams needs | Status |
|---|---|---|---|
| pH | 6.85 | 5.5–8 | OK |
| Nitrogen | 1.1 g/kg | min 0.5 g/kg | OK |
| Phosphorus | 22.1 mg/kg | min 6 mg/kg | OK |
| Potassium | 236 mg/kg | min 100 mg/kg | OK |
| Rainfall | 900 mm | 250–700 mm | High |
| Altitude | 1,700 m | 0–1,800 m | OK |
Top dressing guide
Recommended seed varieties
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag