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Turnip imported image

Crop details

Turnip

Brassica rapa subsp. rapa
Family: Brassicaceae

Categories

Quick stats

Family Brassicaceae
Typical harvest 18.0 t/ha
Varieties 1
Pests & diseases 2
Seasons 1

Crop profile

Growth habit annual
Days to harvest 65
Main uses Roots and leaves consumed as vegetables.
Pollination insect
Origin / where it grows Common in cool highland gardens and diversified vegetable farms.

Weather, soil & spacing

Best temperature 14–24 °C
Rainfall 450–800 mm/yr
Altitude 800–2800 m
Best pH 6–7
Soil type Fertile well-drained loam rich in organic matter.
Row spacing 30 cm
Plant spacing 10 cm
Planting depth 1.5 cm
Seed rate 5 kg/ha
Nursery days

Simple notes for farmers

About the crop: This crop is annual. You plant, grow and harvest it in one main season, then plant again. You can normally start harvesting about 65 days after planting, depending on care and variety.

Main use: Farmers mostly grow this crop for roots and leaves consumed as vegetables..

Pollination: This crop is mainly pollinated by insect. Keeping flowers healthy and having insects like bees in the field helps improve fruit set and yields.

Where it grows: Common in cool highland gardens and diversified vegetable farms. It is grouped under: Vegetables.

Best climate: This crop does well in warm areas where the temperature is usually between 14 and 24 degrees Celsius. It prefers places that receive around 450 to 800 millimetres of rain in a year. It can grow from near sea level up to about 2800 metres above sea level.

Soil: The crop grows best in slightly acidic to near neutral soils, with a pH of about 6 to 7. It does well in fertile well-drained loam rich in organic matter.. Good drainage is important, so avoid waterlogged spots.

Plant spacing: Plant in rows about 30 centimetres apart, and leave about 10 centimetres between plants in the row. This gives each plant enough space for roots and canopy to spread.

Planting depth: Dig planting holes or furrows about 1.5 centimetres deep so the roots sit firmly in the soil but are not buried too deep.

Seed or planting material: Use around 5 kilograms of seed or planting material per hectare. Spread or plant evenly so the field has a good stand without being overcrowded.

Farmer guide (mwongozo wa mkulima)

Planting: Establish Turnip in a fine weed-free seedbed and keep emergence moisture steady.
Transplanting: Direct seed or transplant depending on production system.
Irrigation: Maintain even soil moisture for steady Turnip growth and quality.
Fertigation: Use split nitrogen and potassium for market-quality Turnip.
Pest scouting: Scout Turnip weekly for chewing pests, sap suckers, and foliar diseases.
Pruning: No pruning required unless sanitation or staking is needed.
Harvest: Harvest Turnip when roots size up well before they become fibrous or pithy.
Postharvest: Cool and shade Turnip promptly after harvest.

Nutrient schedule (mbolea kwa hatua)

# Stage DAP Product Rate Targets (kg/ha) Notes
1 Basal 0 NPK 17-17-17 200 kg/ha N: 34, P₂O₅: 34, K₂O: 34 Basal fertilizer for Turnip.
2 Topdress 21 CAN 100 kg/ha N: 26, P₂O₅: —, K₂O: — Support active Turnip vegetative growth.

Nutrient requirements

Nutrient Stage Amount Unit
N Basal 35 kg/ha
P₂O₅ Basal 30 kg/ha
K₂O Basal 35 kg/ha
N Topdress 25 kg/ha
K₂O Topdress 20 kg/ha

Field images (picha shambani)

Turnip imported image
Turnip imported image
Primary
Turnip imported image
Turnip imported image
Turnip imported image
Turnip imported image
Name Country Maturity Traits
Purple Top White Globe KE 65 Reliable root and leaf production.
Stage Product Rate (kg/ha) Notes
Planting Well-rotted manure 5000 Improve soil structure before Turnip planting.
Vegetative growth CAN 100 Split topdress for Turnip production.
Name Type Symptoms Management
Root maggots pest Tunneling and feeding damage on roots. Rotate crops and maintain field sanitation.
Root cracking and rot disease Cracked or rotting roots under uneven moisture. Maintain even moisture and use well-drained soils.
System Typical Min Max Notes
Managed fresh-market production 18 12.6 27 Typical marketable Turnip yield under irrigated or well-managed conditions.
Country Region Planting Harvest
KE Highland Vegetable Zones Mar-Apr or Oct-Nov Year-round depending on irrigation
Country Region Suitability
KE Highland Vegetable Zones High