How to grow onion? I believe that some friends will ask what is the small onion? I have heard garlic and eaten glutinous yellow, and I never know that there is scallions. In fact, sauerkraut is a cultivation mode that has only become popular in recent years. It refers to the use of the grown onion plants, which are planted in protective facilities, and under the conditions of complete protection from light, under certain humidity and temperature conditions, the plants themselves are used. Stored nutrients, long-colored, light yellow-white to golden, with a special aroma of vegetables. Let's take a look at the cultivation points of scallions.
Sowing time
Planting in North China is generally in late September, and Shandong is in early October.
2. Cultivation methods
Usually use flat sputum, remember to pour the bottom water before planting, the amount of seeds per mu is about one to two kilograms.
3. Water management
After the emergence of the onion seeds, until the winter, it is appropriate to water, in principle, the soil can be seen dry. Before the soil freezes, the frozen water should be sealed. The planting time is usually around the beginning of July.
4. Common facilities cultivation
1 inside the greenhouse, inside the cellar, inside the bomb shelter
2 wind barrier impotence, improved impotence
3 large, medium and small plastic greenhouses
5. Colonization
The planting of scallions is quite special, usually from November to March of the following year, which can be decided according to the market conditions. Generally, it can be listed within 20 days to 30 days after planting.
6. Management measures
In terms of temperature, it is most suitable for about 20 degrees, not higher than twenty-five degrees Celsius during the day and not lower than ten degrees at night. On the shading, pay attention to whether the film is damaged. In water management, watering should be carried out according to the degree of dryness and wetness of the soil. If it is too dry, it needs to be poured once. If the humidity is too large, it should be ventilated in the evening.
7. Harvesting
When the yellow leaves of the scallions grow out, they can be harvested and marketed. The later the time, the bigger the plants. Choose the right time to go public.
In general, the facilities required for the growth of scallions are simple, do not require the application of any fertilizers and pesticides, and can be produced in a lower temperature, unlit environment. The scallions can be eaten raw, cold or seasoned, and truly achieve a full range of color and flavor. It is a fresh, high-grade, high-quality, pollution-free vegetable with a good market prospect.
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