When is the best time to plant white onions, and when is it suitable to plant white green onions

As the saying goes, "white onions" refers to the green onions sown in autumn.

The best time to plant green onions in autumn is during the Bailu solar term, that is, the white dew to the autumn equinox solar term, and this year is the best planting in the half month between September 7 and September 22. As the saying goes, "white dew grows onions, cold dew grows garlic", this is where white dew comes from.

The white onion here refers to the green onion, not the other green onions, shallots. The most famous is Shandong green onions, Shandong is rich in green onions, Shandong people also like to eat green onions, now green onions love all over the country, so green onions are planted in rural areas every household will plant some.

It is generally sown between the white dew and autumn equinox.

Sowing seeds too early, and the next spring will be mossed and seeded, which is not suitable for onion planting. The suitable sowing period is to sow 60-70 days before the onion stops growing, and the onion seedlings grow to the second leaf - heart before thawing.

Now that the white dew has passed, as the saying goes, "white dew onion, cold dew garlic", that is to say, after the white dew, it is most suitable to plant onions, but there are many days in a solar term, which day is the most suitable to plant?

There is such a proverb in the folk "white dew onion, cold dew garlic, green onion ginger garlic, do not meet", this sentence means that after the white dew, the most suitable for planting green onions, but not suitable for planting ginger and garlic.

After the white dew, the weather from hot and soft to cool, the temperature at this time is about 15 to 20 degrees, such a temperature environment is conducive to the growth of green onions, sowing at this time, is conducive to the growth of green onions into the best plant, that is, can grow to 8 to 10 cm.

If the green onion is sown too early, that is, if the green onion is planted before the white dew, because the temperature is higher before the white dew, the green onion is affected by high temperature and strong light, and the green onion seedlings that grow will also be weak, and the green onion seedlings will be weak, and the disease resistance of the green onion seedlings is poor, and the growth of the next year is not vigorous, which will reduce the yield of the green onion.

Green onions originate in semi-cold regions and prefer cold and are not tolerant of heat. Native to China, it is widely cultivated throughout China and also abroad.

It is eaten as a vegetable, and bulbs and seeds are also used in medicine.

The requirements for the sowing period are stricter, and they are generally sown between the white dew and the autumn equinox. If the sowing is too late, the onion seedlings are weak and easy to die in winter, and the growth and development are slow after returning to green in the following year, which affects their maturity and yield. Sowing seeds too early, and the next spring will be mossed and seeded, which is not suitable for onion planting.

The suitable sowing date is to sow 60-70 days before the onion stops growing, and the onion seedlings grow to two leaves and one heart before thawing. The planting time of white onion varies according to different regions, and the northern part of our country is generally sown in late August, and the seedlings emerge in early September.

Precautions for planting white onions

1. The quality of the selection of excellent varieties is the key to whether the white onion can obtain high yield. On the basis of selecting improved seeds, it is also necessary to carry out wind screening of seeds to remove small, seedling, hybrids and sundries.

2. Choose a good stubble "onion and leek, garlic, do not meet." "Green onions should not be repeated, and they should be planted on plots that have not been planted with green onions, leeks and garlic for 3-4 years. Crops such as wheat, corn, and potatoes are good stubble, and sandy loam or loam soil is better.

3. After selecting the stubble for land preparation and sowing, carry out autumn ploughing and stubble to achieve loose, flat, fine and broken soil, and apply 3500 kg to 4500 kg of fully decomposed and high-quality farm fertilizer per mu of land preparation, which is conducive to dense planting and ridge cropping.

When sowing, it is necessary to pay attention to the width of the sowing width, to reach the width of the ditch and the bottom of the flat. Generally, the width is about 10 cm, and the depth of the ditch is 3 cm-4 cm. The sowing amount per mu is 3 kilograms, and 6-7 acres of land can be planted in the following year. When the soil is dry after sowing, it can be watered once to preserve the seedlings.

4. The purpose of watering frozen water is to prevent frost damage and drought dead seedlings.

Generally, autumn seedlings reach 3 true leaves, seedlings are about 10 cm high, about before and after light snow, that is, when they are cultured during the day and frozen at night, they are watered with frozen water, and combined with fertilization to water a thin manure to increase the ground temperature, and then cover a layer of manure or manure to ensure that the seedlings are safe to overwinter. Qualified farmers should clamp the wind barrier to facilitate the seedlings to return to green in the next spring.

As the saying goes, the shallots planted by Bailu are called Bailu shallots, why are they planted in the small garden half a month in advance.

White dew shallots refer to green onions that are sown between white dew and the autumnal equinox. In general, in the northern region, it is advisable to sow seeds in late August and emerge in early September. Its comprehensive high-yield cultivation techniques are as follows:

First, the selection of good varieties of green onion varieties is the key to whether the white onion can obtain high yield. At present, the high-yielding varieties suitable for cultivation in the north mainly include Chinese giant onion, iron stalk giant onion, Zhangqiu green onion, ocean green onion, etc.

Characteristics of Chinese giant onions: First, the plant is tall. The height of the plant is 150-160 cm, the length of the green onion is 60-80 cm, and the single tree is not divided. The average weight of each plant is 500 grams, and the maximum plant weight is 1500 grams.

It's long fast. White dew onion refers to the green onion planted from white dew to the autumn equinox, which is generally sown around August 20 and emerges in early September. The whole growth period of white onion is long, but as long as the following measures are taken, there is no problem in increasing production and income and achieving high efficiency.

1. Improved varieties: The key to obtaining high yield is to choose excellent varieties. The more suitable variety is Zhangqiu green onion, which is characterized by an average plant height of about 1 meter, green onion white length of 60 cm, when upright, not divided, soft quality, and positive taste.

On this basis, the seeds are winnowed to remove impurities, seeds and small grains.

2. Stubble: As the saying goes, onion and leek, don't meet. Don't replant green onions, choose plots that have not been planted with green onions, leeks, and garlic for 3-4 years. Wheat, corn, and potato stubble are the best stubble. The soil quality is black loam and sandy loam soil.

3. Sowing: White dew onion has requirements for planting time, generally must be sown between white dew and autumn equinox, sowing too late onion seedlings are too weak, overwintering easy to die seedlings, slow growth after returning to green in the coming year, seriously affecting the yield. Sowing too early, the second year is easy to draw moss and seeds, not suitable for onion planting.

The best sowing date is 60 days before the onion stops growing. Before freezing, the green onion seedlings grow to two leaves and one heart. It is best to sow seeds in late August and emerge full seedlings in early September.

After selecting the stubble, the land is prepared to the sowing state, and 3500-4500 kg of fully decomposed high-quality farm fertilizer is applied in combination with the whole land, which can be furrow or flat, which is conducive to dense planting, and can also be ridge cropping. When sowing, the furrow is wide and the bottom is flat. Generally, a width of 10 cm is sufficient.

The depth of the groove is centimeters. The amount of sowing per mu is 3-kg. 6-7 acres of land can be planted in the coming year.

Water after sowing to preserve the seedlings.

Pouring frozen water: Freezing water is done to prevent drought and frost damage. Generally, autumn seedlings are about 10 cm high, and they are qualified if they reach 3 true leaves.

Before and after light snow, that is, during the day, when it is civilized and frozen at night, the frozen water is watered, and the thin manure water is poured once in combination with fertilization.

White onion is the earliest planting time of this year for planting green onion seedlings in the coming year, and the planting time is the earliest planting time of this year when the green onion seedlings do not bloom. Inner Mongolia Chifeng area is 10 7 days before the white dew, the white dew green onion seedlings just stretch the hook for the best, do not straight hook to catch up with the frost period in advance of the year can not survive the winter, the green onion is early, next year flowering can not raise green onions. Some people experimented with planting on August 18 to plant all the onion seedlings of the next year, and planting on August 22 to have a small number of onion seedlings of the next year.

August 26 and 30 species are more appropriate.

The emergence time of white onion is relatively slow, so you must have a certain amount of patienceUsually, it takes about two weeks for the seedlings to emerge.

When planting, you must pay attention to the time, and the climate requirements are high. It is generally carried out between the white dew and the autumnal equinox. In the north, it is usually in late August.

Not too late, otherwise the growth of green onion seedlings will be relatively weak, and it is easy to die seedlings during winter, and it is not allowed to sow too early. In addition, pay attention to the sowing method.

Precautions for planting white onions:

Determine good varieties, choose excellent onion seeds, remove shriveled, pest-resistant seeds, and treat the seeds in advance, excellent seeds can improve the germination rate and promote growth.

It is necessary to choose plots that have not been planted with green onions, leeks, and garlic for 3-4 years, and cannot be planted again. You can choose sunny and leeward, convenient drainage, loose soil, thick and breathable soil to plant, plough and tidy the soil in advance, and apply well-rotted fertilizer to ensure that the soil is fertile and nutritious.

In the past, the green onions were planted in the white dew season in the countryside, but now people will plant them in front of the white dew, plant them a few days in advance, and the green onion seedlings that grow are strong, which is conducive to the return of seedlings in spring next year. In a few days, it will be the white dew solar term (white dew on September 8), and at that time it will be a little late to plant in the open air, but it can also be planted.

In fact, planting shallots is very simple, shallots are most afraid of heavy stubble, when choosing the land, we must choose a plot without planting fruit shallots, when preparing the land, we should try to be as smooth as possible, do not have large pieces of soil, so as not to affect the emergence of seedlings, evenly sprinkle onion seeds after applying the bottom fertilizer, cover with thin soil on it, we must ensure the wetness of the soil in the field during the emergence of seedlings, so as to ensure the emergence rate of shallots In order to keep the soil moist, in order to better preserve moisture, we can sprinkle some dry straw or leaves on the plot. The emergence of shallots is very slow, usually about two weeks, and friends who plant shallots must be patient.

It's long past the time to plant green onions.

Onion transplanting is usually done in November, so avoid too cold weather and not too early. Generally, it is planted in autumn in September, and it can be transplanted only after it grows for about 2 months. When transplanting, it is necessary to prepare loose and good soil, and also pay attention to keeping warm, otherwise it will suffer frost damage, which will affect its growth in the next year.

1. Transplanting time.

When transplanting onions, you should avoid excessively cold weather, which can be done around November at the end of autumn. If transplanting is carried out at this time, it can enter the winter in the best condition, and if it is transplanted early, it is likely that there will be an early stove banquet in the spring. If it is transplanted too late, it may suffer frostbite and will not be able to overwinter properly.

Normally, people will plant seeds in September in the fall, and it will take about 2 months to grow before transplanting. In addition, when transplanting, it is necessary to screen out the seedlings that grow thin and have diseases and insects, and try to transplant the healthy seedlings, which is also more helpful for its later growth.

2. Precautions.

1. Soil: The adaptability of onions is relatively good, but the use of relatively loose and well-permeable soil is more conducive to its growth.

2. Keep warm: give it a mild environment in winter, so that it will grow better, and the most suitable temperature is between 16-28. Keep warm during the cold winter months to avoid frost damage.

3. Watering: After completing the transplanting work, you can't let the soil be too dry, you need proper watering, but don't water it immediately, wait for it to slow down. In addition, in the spring of the following year, that is, in March and April, it needs to be poured back with green water.

The conflict in the white dew when to transplant the shallots of the egret species has been compared, and it is better to transplant it after a month.

Now it is just right to plant, and it is planted three days before the white dew.

Northeast white dew onion is best planted between white dew and autumn equinox. The requirements for the sowing period are stricter, and they are generally sown between the autumn equinox. If the sowing is too late, the green onion seedlings are weak and small, and the seedlings are easy to die in winter, and the growth and development are slow after the baby returns to green, which affects its maturity and yield. Sowing seeds too early, and the seeds will be beaten in the spring of the infant year, which is not suitable for onion planting.

The growing environment of white onionsThe temperature range suitable for the growth of green onions is 13-25, the highest can withstand high temperatures of 45, and the cold resistance of green onions is strong, and the lowest can withstand -20. The vernalization temperature is 2-7, and the general vernalization time is 7-10 days. Seeds can germinate at a temperature range of 2-5, and the optimal temperature for seed germination is 15-20, in this range, the higher the temperature, the faster germination.

Shallots are a vegetable that can be grown between the millennium and the autumn equinox. When people grow this vegetable, the most important thing is the planting time.

Shallots have strict requirements for sowing date, and are generally sown between white dew and autumn equinox. When sowing is late, the green onion seedlings are weak, the overwintering seedlings are easy to die, and the growth and development are slow after returning to green in the second year, which affects their maturity and yield. If you sow too early, it will sprout and produce moss and seeds the next spring, which is not suitable for growing onions.

The suitable sowing period is 60-70 days before the onion stops growing, and the onion seedlings will not thaw until they have two leaves and one heart. The planting time of green onion varies from region to region. In northern China, it is generally sown in late August, and germination in early September is appropriate.