When is the appropriate time to plant onions?
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When is the appropriate time to plant onions?
The most suitable time for planting onions is generally after mid-September, when the temperature and other aspects are suitable. When watering, it is necessary to pay attention to watering the land before sowing to ensure the humidity of the soil. Secondly, watering is required when the onion grows three leaves. Onions need a certain amount of water during the growing period and should not be too dry, otherwise the onion below will not grow big and the onion will not have water. Usually, water once a week.
Best time to plant onions
Onion planting time can be selected between September and October, and the most suitable time is recommended to be after mid-September. When is the best time to plant onion seeds? Onion seeds can be planted between September and October, and the best planting time is after mid-September. How long does it take for onions to bloom after planting? Onions are usually sown in September and will bloom the next year, usually after 6 to 7 months of care.How to plant onions
1. Broadcasting: First, water the seedbed enough to penetrate the soil, then sprinkle a thin layer of fine soil, then sprinkle the seeds, and then cover the soil with 1.5 cm. In order to accelerate the emergence of seedlings, soaking seeds can be carried out to promote germination. Soaking seeds means soaking seeds in cold water for 12 hours, then drying them until the seeds are not sticky before sowing; Germination means placing the seeds in a temperature of 18-25℃ after soaking to promote germination, and cleaning the seeds once a day until the seeds germinate. 2. Land preparation and fertilization: In autumn cultivation, plowing is carried out after the harvest of the previous crop, with a plowing depth of about 15 cm. After plowing, the land is leveled and beds are made, and the size of the beds is determined according to the local climate and the irrigation and drainage conditions of the land. Generally, beds with a width of 2m and a length of about 10m can be built to improve land utilization. Before planting, apply enough base fertilizer, and the amount of base fertilizer should be determined according to the soil fertility and the type of base fertilizer. Generally, high-quality decomposed farmyard manure can be applied per mu of 1330-3340kg, mixed with 16-20kg of superphosphate and an appropriate amount of potassium fertilizer. Apply base fertilizer by general spreading, then fully mix and rake it during plowing to evenly mix the soil and fertilizer. 3. Planting crops: When planting, select seedlings with developed roots, vigorous growth, and uniform size, and classify them according to the height and thickness of the seedlings. Generally, they are divided into three grades: the first-grade seedlings are about 15cm high and 0.8cm thick; the second-grade seedlings are about 12cm high and 0.7cm thick; the third-grade seedlings are about 10cm high and 0.6cm thick. After classification, seedlings of the same size can be planted together for classified management to promote consistent growth in the field. 4. Field management: After planting onions, they enter the seedling-raising period about 20 days later. Due to the low temperature at the time of planting, excessive watering is not allowed, as it will reduce the soil temperature and slow down the seedling-raising process. At the same time, new roots of seedlings have not yet germinated, and water cannot be lacking. Therefore, at this stage, the number of watering times for onions should be more. The amount of water for each watering should be less, and the principle generally followed is to prevent seedlings from wilting and the ground from drying, so as to promote rapid root development and survival of seedlings. 5. Harvesting crops: Onion harvest generally occurs from late May to early June. When the onion leaves gradually turn yellow from bottom to top, the false stem becomes soft and begins to collapse; the bulb stops expanding, the outer skin becomes leather-like, and enters the dormant stage, indicating that the bulb has matured and should be harvested in time.Precautions for onion planting management
1. Seed selection: Seed selection first needs to understand the local onion planting situation, see what varieties they choose, high yield or not, after choosing the variety to plant, it is necessary to screen out high-quality seeds from it, mainly through the observation of seed color is bright, seed is full and whether there is病虫害, if not that can be. 2. Time: Choosing the correct planting time for onions has a great impact on the yield of onions, so it is necessary to pay great attention to choosing the planting time. Although onions can be planted all year round, if you want to plant high-yield and high-quality onions, it is best to choose planting in August-September, when the temperature in most regions is about 20-25 degrees, which is the most suitable for onion germination and growth. 3. Watering: Before sowing, it is necessary to water the land first to ensure the humidity of the soil. Secondly, when the onion grows three leaves, it needs to be watered. Onions need a certain amount of water during the growing period and should not be too dry. Usually, water once a week, but it should be noted that in winter, it is absolutely forbidden to water, otherwise the onion will rot. 4. Fertilization: If the fertilizer is used incorrectly or the amount of fertilizer is incorrect, it will cause irreparable damage to the growth of onions. If conditions permit, it is best to use farmyard manure or organic decomposed fertilizer as the main fertilizer and use a moderate amount of chemical fertilizer for auxiliary purposes. On average, 2000 jin of fertilizer is needed per mu, and the amount of chemical fertilizer is about 300 jin. 5. Pest control: The most common pests and diseases of onions are downy mildew, damping-off, and onion maggot. The control methods for downy mildew and damping-off are generally to spray with carbendazim or Bordeaux mixture, and onion maggot can be controlled by watering the field, because onion maggot is very afraid of water and will escape or even drown, and finally, dichlorvos crystal can also be used for control.Declaration: This article "When is the appropriate time to plant onions" is compiled by flower friends. If there are any inappropriate contents, please contact us for modification. If this content inadvertently infringes your rights, please contact QQ: 58589584 for immediate deletion.
Knowledge expansion
When to transplant onions
In general, onions are transplanted in November in autumn, when the climate is not too cold, otherwise it is easy to freeze them after transplanting and difficult to survive the winter safely. If the temperature is high at this time, the transplanting should be delayed, because it is not suitable to transplant when the weather is too warm, which will lead to early heading in spring, which is not conducive to their growth.
Planting methods and time for onions in the north
The best time to plant onions in the north is from September to October, when the climate in the north is relatively cool, which can make onions take root and germinate quickly, and the survival rate is relatively high. If the planting time is not appropriate, it will be difficult for onions to germinate and seedlings.
Suitable planting time for onions in the north
The best time to plant onions in the north is from September to October, when the climate in the north is relatively cool, which can make onions take root and germinate quickly, and the survival rate is relatively high. If the planting time is not appropriate, it will be difficult for onions to germinate and seedlings.
Planting methods and key points for onions in the north
1. Onions in the north prefer loose, fertile, and well-ventilated soil. Before planting, it is necessary to select the land and then prepare the land, so that the soil becomes loose and breathable, and base fertilizer should be added to the soil. After preparation, planting can be carried out.
2. Before planting, water the soil, then evenly sprinkle the onion seeds on the soil, cover them with a thin layer of soil, and keep the soil moist. After a period of time, onions can grow and germinate, or seeds can be soaked, soaked and germinated before sowing, which can improve the germination rate.
Key points for daily management of onions
About 20 days after planting onions, they enter the seedling-raising period. It should be noted that excessive watering is not allowed, as excessive watering will reduce the soil temperature and slow down the seedling-raising process.
It is recommended to adopt the method of watering little and many times, and do not let the onion seedlings wilt, and the ground should be semi-dry. Each mu of onion land needs to apply 12~15kg of nitrogen fertilizer, 8~10kg of phosphate fertilizer, and 10~12kg of potassium fertilizer, so that onions can grow better.
Can onions be hydroponically cultivated?
Onions can be hydroponically cultivated, and there are many benefits of hydroponic cultivation. Hydroponic onions can not only make good use of onions that are not finished eating and avoid waste, but also can be used as plants for appreciation, and can keep the maintenance environment clean and tidy.
Can onions be hydroponically cultivated?
Onions can be hydroponically cultivated, and there are many benefits of hydroponic cultivation. Hydroponic onions can not only make good use of onions that are not finished eating and avoid waste, but also can be used as plants for appreciation, and can keep the maintenance environment clean and tidy.
Hydroponic cultivation methods and key points for onions
1. Prepare containers
When hydroponically cultivating onions, you can prepare a glass cup, preferably transparent, of a size that can support the onion without falling, and then fill the cup with water.
2. Process onions
Before hydroponic cultivation, onions should be properly treated, some of their outer layers should be peeled off, and a part of their roots should also be cut off, which is more conducive to root growth later.
3. Hydroponic cultivation
Directly place the processed onion on the cup filled with water. In the early stage, water needs to be changed every day, so that the roots can grow out quickly at the bottom of the onion.
Precautions for hydroponic cultivation of onions
1. In order to promote the rapid growth of hydroponic onions, in addition to maintaining with clear water, some rooting powder can be added to promote its rooting.
2. If properly maintained, hydroponic onions can grow tender buds in about 10 days, and water can be changed every 3-4 days thereafter.
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