Growing Vine Spinach (Nderema) in Kwale

Soil suitability analysis based on Kwale's nutrient profile

Quick answer

Yes — Kwale is well suited to Vine Spinach (Nderema). Kwale's soil (pH 6.76, near-neutral) gives Vine Spinach (Nderema) a suitability score of 83/100. Match fertilizer to Kwale's nitrogen and phosphorus levels for the best result.

Kwale County is well suited to Vine Spinach (Nderema), scoring 83/100 on ShambaIQ's soil-match model. Local soils average pH 6.76 — neutral and inside the 5.8–7 band Vine Spinach (Nderema) prefers, so no lime is usually required. The main gap is nitrogen, phosphorus, and potassium — measured at N 0.93 g/kg, P 9.8 mg/kg, K 131 mg/kg against this crop's high/medium/medium demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly sandy loam soils suit Vine Spinach (Nderema), which favours loam. On ShambaIQ's soil-match model, Vine Spinach (Nderema) is the #26 soil match of the 106 crops we assess for Kwale County. At current prices (about KES 50/kg) and a typical 5,000 kg/acre yield, a well-managed Vine Spinach (Nderema) crop here can gross roughly KES 250,000 per acre.

83Suitability score

Soil & climate match

FactorKwale soilVine Spinach (Nderema) needsStatus
pH6.765.87OK
Nitrogen0.93 g/kgmin 1.2 g/kgLow
Phosphorus9.8 mg/kgmin 12 mg/kgLow
Potassium131 mg/kgmin 150 mg/kgLow
Rainfall900 mm800–1,800 mmOK
Altitude200 m0–2,000 mOK

Planting calendar for Kwale

Long Rains· AprilJuneMain season here

April
Direct Sowing & Basal
May
Trellising & Top Dressing
June
Continuous Harvest

Short Rains· NovemberJanuary

November
Direct Sowing & Basal
December
Trellising & Top Dressing
January
Continuous Harvest

Top dressing guide

Product
CAN
Timing
Week 2 and after each harvest
Instruction
Top-dress after each cutting for continuous leafy regrowth.
Bags per acre in Kwale
0.50.3

Kwale's nitrogen (0.93 g/kg) is 78% of the 1.2 g/kg Vine Spinach (Nderema) needs, so the standard 0.3 bags/acre is raised to 0.5. Split it across two applications to limit leaching.

Economics

Market priceKES 50/kg
Expected yield 5,000 kg/acre
Estimated revenueKES 250,000/acre

Preferred textureLoam

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(5,700)
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