How and when to plant onions

There are many varieties of it, and the planting time of different varieties will naturally be different, but the approximate time is the same, mostly concentrated in early September, probably the time of the Millennium solar term. The temperature and climate at this time are more conducive to growth and easy to manage.

Second, accelerate germination and sowing.

Its sowing method is very simple, just sow directly. However, it is suggested to accelerate germination before sowing, soak the seeds in clear water for 12 hours, dry them and then put them in an environment of about 23 degrees. You can sow when the buds are exposed, which will increase the probability of germination.

Third, set the value in time.

Wait a minute. This value can be set when the seedling grows four true leaves. Note that at this time, short seedlings, clustered seedlings and diseased seedlings should be eliminated, and only strong seedlings should be selected, so that they can grow better in the later stage. The setting value is mostly carried out at the end of 10, and the plant spacing is controlled at about 20 times of 15 cm.

Fourth, on-site management

Pay attention to fertilizer and water management and pest control after setting the value. Topdressing is mainly urea and NPK compound fertilizer. Topdressing can be combined with watering during the growing season and when bulbs swell. The main diseases are rust, purple spot and downy mildew, and the main pest is shallot. Regular ventilation and timely drainage. Find the right medicine for pests and diseases.