Growing Vine Spinach (Nderema) in Taita Taveta

Soil suitability analysis based on Taita Taveta's nutrient profile

Taita Taveta County is a challenging environment for Vine Spinach (Nderema) (soil-match score 33/100) and will need significant amendment before planting. Local soils average pH 6.64 — neutral and inside the 5.8–7 band Vine Spinach (Nderema) prefers, so no lime is usually required. The main gap is nitrogen and potassium — measured at N 0.97 g/kg, P 12.9 mg/kg, K 104 mg/kg against this crop's high/medium/medium demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly loam soils suit Vine Spinach (Nderema), which favours loam. Taita Taveta receives approximately 500 mm/year — well below Vine Spinach (Nderema)'s minimum of 800 mm — so supplemental irrigation would be essential for this crop. Vine Spinach (Nderema)'s full potential is about 5,000 kg/acre (~KES 250,000/acre at KES 50/kg), but at Taita Taveta's 33/100 suitability a realistic target here is closer to 2,063 kg/acre (~KES 103,150/acre) unless the constraints above are addressed.

33Suitability score

Soil & climate match

FactorTaita Taveta soilVine Spinach (Nderema) needsStatus
pH6.645.87OK
Nitrogen0.97 g/kgmin 1.2 g/kgLow
Phosphorus12.9 mg/kgmin 12 mg/kgOK
Potassium104 mg/kgmin 150 mg/kgLow
Rainfall500 mm800–1,800 mmLow
Altitude700 m0–2,000 mOK

Planting calendar

Long Rains

Month 1
Direct Sowing & Basal
Month 2
Trellising & Top Dressing
Month 3
Continuous Harvest

Short Rains

Month 1
Direct Sowing & Basal
Month 2
Trellising & Top Dressing
Month 3
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
0.3

Economics

Market priceKES 50/kg
Expected yield in Taita Taveta2,063 kg/acre
Estimated revenueKES 103,150/acre
Adjusted for Taita Taveta's 33/100 suitability. Under ideal conditions Vine Spinach (Nderema) can reach 5,000 kg/acre (~KES 250,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureLoam

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