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White Onion Seeds – Planting, Care, Maintenance & Quality
How to Plant
- Soil Type: Well-drained, loose, sandy loam soil rich in organic matter; pH between 6.0 to 7.0.
- Sowing Season: Ideal sowing time is September to December depending on the region.
- Sowing Method: Start seeds in nursery beds; transplant seedlings after 6–7 weeks.
- Spacing: Maintain 10–15 cm between plants and 25–30 cm between rows.
- Germination Time: Seeds germinate in 6–10 days under proper conditions.
Care Instructions
- Sunlight: Requires full sun (at least 6 hours of direct sunlight daily).
- Watering: Keep the soil moist but not soggy. Reduce watering as bulbs mature.
- Fertilization: Add compost or well-rotted manure before planting. Apply balanced fertilizer every 20–25 days.
- Thinning: Thin seedlings to ensure good air circulation and bulb development.
Maintenance Tips
- Weeding: Regular weeding helps reduce competition for nutrients and water.
- Pest & Disease Control: Watch for onion thrips, cutworms, and fungal diseases. Use neem oil or organic pesticides when needed.
- Mulching: Use dry grass or straw to retain moisture and suppress weeds.
- Harvesting: Harvest when tops fall over and dry up—usually 90–120 days after transplanting.
Seed Quality
- High Germination: Good quality white onion seeds have a germination rate above 85%.
- Purity: Free from weed seeds, stones, dust, and foreign matter.
- Vigour: Seeds produce uniform, healthy, and firm white onion bulbs.
- Storage: Store seeds in a cool, dry place in an airtight container. Viable for up to 2 years.