Asparagus farming is a lucrative agribusiness in Kenya, known for its high market value and nutritional benefits. Despite its limited production, asparagus is in demand both locally and internationally, making it one of the most expensive vegetables in Kenya.
Popular Asparagus Varieties in Kenya
Kenyan farmers grow several varieties of asparagus, including:
- Dorbone
- Hochels
- Mary Washington
- Staudenauslese
- Jersey Giant F1
- Jersey King F1
Health Benefits of Asparagus
Asparagus is a nutrient-dense vegetable offering numerous health benefits:
- Anti-Aging Properties: Helps combat the signs of aging.
- Digestive Health: Rich in fiber, promoting healthy digestion.
- Pregnancy Support: Aids in fetal growth during pregnancy.
- Antioxidants: Contains Vitamin E, flavonoids, and polyphenols, which protect cells from free radicals and oxidative stress.
Ecological Requirements for Growing Asparagus
To cultivate asparagus successfully, the following conditions are essential:
- Soil: Fertile, well-drained sandy loam soil with a pH of 6.0-6.8.
- Temperature:
- Day: 23°C to 29°C
- Night: 13°C to 19°C
- Altitude: Above 1,000m.
Land Preparation and Propagation
- Land Preparation:
- Plough the land 20-25cm deep to loosen the soil and enhance drainage.
- Propagation Methods:
- Seeds: Sow seeds in a nursery bed with a spacing of 25-30cm apart.
- Crowns: Alternatively, propagate asparagus using crowns for faster establishment.
Fertilizer Application
- At Planting:
- Apply 30g of DAP per square meter to promote root development.
- Top Dressing:
- Use 30g of CAN per square meter during the growing phase.
Pest and Disease Management
Common Pests:
- Asparagus Beetle: Can be controlled using insecticides like pyrethrin.
Common Diseases:
- Use fungicides such as cupracaflarowc to manage fungal infections effectively.
Harvesting Asparagus
- Timing:
- Asparagus is ideally harvested in the third year to allow deep root establishment.
- While harvesting can begin in the first two years, it is discouraged to ensure long-term plant productivity.
- Yield: An acre of land can produce approximately 2-8 tons of asparagus annually.
Asparagus Market in Kenya
Asparagus has strong demand in both local and export markets.
Local Market:
- Sold in open-air markets, hotels, restaurants, and supermarkets.
Pricing:
- A kilogram of asparagus retails between Ksh 700-1,000, depending on quality and market location.
Asparagus farming in Kenya is a high-value investment for farmers willing to commit to long-term care and market connections. With its exceptional market price and health benefits, asparagus offers immense potential for both local and international trade.
