Growing Courgette (Zucchini) in Tharaka Nithi
Soil suitability analysis based on Tharaka Nithi's nutrient profile
Yes, with the right inputs — Tharaka Nithi is moderately suited to Courgette (Zucchini). Tharaka Nithi's soil (pH 4.99, strongly acidic) gives Courgette (Zucchini) a suitability score of 68/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.
Tharaka Nithi County is a solid choice for Courgette (Zucchini), with a soil-match score of 68/100. At an average pH of 4.99 the soil is strongly acidic, below Courgette (Zucchini)'s preferred 5.8–7 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. Nitrogen (1.23 g/kg), phosphorus (19.6 mg/kg) and potassium (211 mg/kg) all meet Courgette (Zucchini)'s requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy loam soils suit Courgette (Zucchini), which favours loam. On ShambaIQ's soil-match model, Courgette (Zucchini) is the #33 soil match of the 106 crops we assess for Tharaka Nithi County. Courgette (Zucchini)'s full potential is about 12,000 kg/acre (~KES 600,000/acre at KES 50/kg), but at Tharaka Nithi's 68/100 suitability a realistic target here is closer to 10,200 kg/acre (~KES 510,000/acre) unless the constraints above are addressed.
Soil & climate match
| Factor | Tharaka Nithi soil | Courgette (Zucchini) needs | Status |
|---|---|---|---|
| pH | 4.99 | 5.8–7 | Adjust |
| Nitrogen | 1.23 g/kg | min 1.2 g/kg | OK |
| Phosphorus | 19.6 mg/kg | min 12 mg/kg | OK |
| Potassium | 211 mg/kg | min 200 mg/kg | OK |
| Rainfall | 900 mm | 500–1,200 mm | OK |
| Altitude | 1,100 m | 0–2,100 m | OK |
Planting calendar for Tharaka Nithi
Long Rains· March–MayMain season here
Short Rains· October–December
Top dressing guide
Tharaka Nithi's nitrogen (1.23 g/kg) already meets Courgette (Zucchini)'s 1.2 g/kg requirement, so this is a maintenance rate.
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag