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How to Grow Onions

February 14, 2024 by admin Category: How To

You are viewing the article How to Grow Onions  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

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This article was co-written by Andrew Carberry, MPH. Andrew Carberry has worked with school gardens and has been involved in the farm-to-school program since 2008. He is currently a Program Associate at Winrock International, specifically the Community Based Food Systems Team. copper.

This article has been viewed 22,354 times.

Onions are popular bulbs, often grown in gardens because they can be used in many dishes, are easy to grow and take up little space. Also, the growing season for onions is usually short, which means you can start harvesting onions in the spring, then dry them and store them in the winter.

Table of Contents

  • Steps
    • Preparing to plant
    • Planting onions
  • Advice
  • Warning

Steps

Preparing to plant

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Image titled Grow Onions Step 1

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Choose the type of onion to plant. Like most other fruits and vegetables, onions come in many varieties and each has its own appeal for different reasons. Generally, onions come in 3 colors: white, yellow, and red/purple, each with its own flavor. In addition, onions are also classified into two types, long-day and short-day. The reason it is called a long-day onion is because it begins to germinate during the 14-16 hours of daylight hours (around late spring/summer). Meanwhile, short-term onions begin to germinate during the 10-12 hours of daylight hours (around winter/early spring).

  • Long-day onions generally grow well in the northern states of the United States, while short-day onions grow healthy in the southern states of the United States. [1] X Research Source
  • Yellow onions are golden yellow in color and have a mildly sweet taste. Meanwhile, white onions are more spicy and pungent than yellow onions. On the other hand, red onions are purple in color and are usually eaten raw instead of cooked.
Image titled Grow Onions Step 2

Image titled Grow Onions Step 2

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Decide how to grow onions. In general, there are two common ways of growing onions: growing onions from bulbs or from seeds. Gardeners often prefer to grow from bulbs because onions are usually harder and more resistant to extreme weather than onion seeds. However, you can still grow onions from seeds yourself if you have the conditions and determination, then you can transfer the onions outside to plant. [2] X Research Source You can grow onions in the ground during warm weather. [3] X Research Sources

  • You can also grow onions using cuttings/grafts, but this method is often unsuccessful and more difficult to implement than growing from seeds or bulbs.
  • Visit your local nursery to find out which onion bulbs and seeds can thrive where you live.
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Image titled Grow Onions Step 3

Image titled Grow Onions Step 3

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Know when to plant. Onions are quite difficult to grow if not planted at the right time. If onions are planted in cold weather, onions may die or flower more easily than they do in the spring. If you grow onion seeds, you should start sowing them indoors, at least about 6 weeks before planting them outside. Make sure to sow the onion seeds 6 weeks before the last day of winter, then move the onions outside to plant. [4] X Research Sources
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Image titled Grow Onions Step 4

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Choose the ideal location. Although not too picky, onions also need some specific conditions. Choose an open space and plenty of sunlight. Onions will grow well if there is enough room to grow, so the more room you give the onion, the bigger it will swell. Avoid planting onions in a location that is obscured by other plants.

  • Onions can grow well in raised gardens. So, if you don’t have enough space to grow onions in your garden, you can also build your own raised garden to grow onions.
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Image titled Grow Onions Step 5

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Prepare the land. If you can prepare the soil a few months before planting, you’ll get a better onion harvest. If possible, you should start tilling and fertilizing in the fall. If the soil is rocky, sandy or clayey, mix in potting soil to balance the soil. In addition, you also need to test the pH of the soil and add the necessary compounds to create a soil with a pH of 6-7.5.

  • Testing and changing the pH of the soil should be carried out at least 1 month before planting, so that the added substances have time to take effect and create a foundation for the growth of onions later.

Planting onions

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Image titled Grow Onions Step 6

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Prepare the soil for planting. When ready to plant onions, you should dig a hole 15 cm deep, then add a layer (1 cup for about 6 m of soil) phosphate fertilizer into the soil. However, you should only add phosphate fertilizers to low phosphorus soils. Make sure to test the soil before planting. Use a 10-20-10 or 0-20-0 fertilizer mix to stimulate onion growth. At the same time, you should make sure to get rid of all the weeds in the garden.
Image titled Grow Onions Step 7

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Image titled Grow Onions Step 7

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Dig holes. Plant onions so that the layer of soil above the onion or seedling is no more than 2.5 cm thick. If you bury the onion too deeply in the soil, the onion can shrink and limit its ability to grow. Each onion should be planted 10-15 cm apart, and seeds should be sown 2.5-5 cm apart. Once the onion begins to grow, you can replant or space it out to increase the growing size of the onion.
Image titled Grow Onions Step 8

Image titled Grow Onions Step 8

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Planting onions. Sow onion seeds in the hole you just dug, then fill with soil about 0.5-1 cm high. Onions should not be buried more than 5 cm deep in the soil. Use your hands or shoes to pat the soil on top. Onions will grow better in well-filled soil. After planting, water a little more and wait for the onions to grow.

  • Onions grown by extraction require more water than bulbs or seeds, so you will need to provide extra moisture if you grow onions using this method.
Image titled Grow Onions Step 9

Image titled Grow Onions Step 9

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Taking care of the onion garden. Onions are quite perishable because the root system is fragile, easily damaged or easily affected by weeds or uprooted. Use a hoe to dig up all the overhanging weeds, instead of pulling the weeds out because weeding can pull on the onion roots and hinder the growth of the onion. Water the onions with about 2.5 cm of water per week and add a nitrogen fertilizer once a month to provide additional nutrients. Immediately after planting, add a thin layer of mulch between each onion to retain moisture and prevent weeds.

  • If you want the onions to taste sweet, you can water them more often than usual.
  • If the onion is flowering, you should cut the flower off. Flowering onions often fail to grow to the right size and flavor.
  • Image titled Grow Onions Step 10

    Image titled Grow Onions Step 10

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    Harvest onions. Onions are fully mature when the tops appear golden yellow. At this point, you can fold the top of the onion to lie down on the ground. This helps to transfer more nutrients to the onion instead of the onion shoots. After 24 hours, the top of the onion will turn brown and be ready to be plucked. Pull the onion out of the soil, cutting off about 2.5 cm of shoots from the bulbs and roots. Dry onions for 1-2 days in the sun, then transfer onions to a dry place indoors and continue to dry storage for 2-4 weeks.

    • Storing onions in leather socks or mesh helps to increase air circulation during the drying process. This way helps to preserve the onions longer and preserve the flavor.
    • Sweet onions may spoil sooner because of their high water content. Therefore, you should eat this onion first to avoid spoiling. [5] X Research Sources
    • You should throw away, cut off or use immediately the onion that shows signs of rotting to prevent the disease from spreading to other onions that are in storage.
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  • Advice

    • To make onions grow faster in the garden, you can plant onions in a pot with moist soil 2 weeks before transferring to the garden. Keep the pot indoors until the onions have sprouted and rooted before being ready to plant.
    • To prevent disease and microbial damage, you can try growing beets and onions together in a garden.

    Warning

    • Onions may be resistant to pests and diseases, but can still be eaten by maggots. You should use insecticidal soap as directed to control maggots.
    • Different types of onions need different lengths of day and generally prefer warm weather over cool. It’s a good idea to buy onions locally to make sure you’re growing the right type of onion for your area.
    X

    This article was co-written by Andrew Carberry, MPH. Andrew Carberry has worked with school gardens and has been involved in the farm-to-school program since 2008. He is currently a Program Associate at Winrock International, specifically the Community Based Food Systems Team. copper.

    This article has been viewed 22,354 times.

    Onions are popular bulbs, often grown in gardens because they can be used in many dishes, are easy to grow and take up little space. Also, the growing season for onions is usually short, which means you can start harvesting onions in the spring, then dry them and store them in the winter.

    Thank you for reading this post How to Grow Onions at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

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