Onion Short Day – Yellow

R0,30

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“Short day” onions, including yellow varieties, are typically best suited for regions where the day length is shorter. These onions initiate bulb formation as the days become shorter, usually when daylight hours are around 10-12 hours. Here are some specifics about “Short Day Yellow” onions:

Characteristics of Short Day Yellow Onions:

  1. Varieties: There are several short-day yellow onion varieties, such as “Granex” and “Grano,” known for their mild flavor and excellent storage qualities.
  2. Growing Conditions: Short day onions thrive in regions where there are shorter daylight hours, generally in southern regions or locations closer to the equator.
  3. Planting Time: Plant short-day onions in late fall or early winter so they can mature during the cooler months. In South Africa, this might be around March to May, depending on your specific location and climate.
  4. Soil and Climate: Ensure well-draining soil rich in organic matter. Onions prefer sandy loam soils. They grow best in cool to moderate climates, avoiding extreme heat.

Cultivation Tips:

  • Planting Depth and Spacing: Plant onion sets or seedlings about 1-2 cm deep, spaced roughly 10-15 cm apart in rows. Ensure good sunlight exposure.
  • Watering: Onions require consistent moisture but dislike waterlogged conditions. Water deeply but infrequently to encourage root growth.
  • Fertilization: Apply a balanced fertilizer suitable for onion cultivation. Incorporate compost or well-decomposed organic matter into the soil before planting.
  • Pest and Disease Management: Regularly monitor for onion pests and diseases, employing appropriate organic or chemical control measures as needed.
  • Harvesting: Short-day onions will mature in around 3-4 months. Harvest them when the tops start to dry and fall over. Lift bulbs carefully, dry them thoroughly, and store in a cool, dry place.

Specifics for Hydroponic or Aquaponic Cultivation:

  • Follow the guidelines mentioned earlier for hydroponic or aquaponic cultivation, adjusting factors like light exposure, nutrient solutions, and pH levels to suit the specific requirements of short-day onion varieties.

Remember to adjust these guidelines based on your local climate conditions and the specific needs of the onion variety you are growing. Regular observation and adaptation to the needs of your plants are key to successful cultivation.

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