As is known to all, the temperature in the northern regions is generally low, while most of the peppers grown in the northern regions are mainly cultivated in greenhouses. However, even in the greenhouse cultivation process, the growth of peppers is not easy. Let's learn the safe wintering method of greenhouse peppers.
Variety
Because the temperature in the northern winter is very low, it will still have a relatively large impact during the growth of the pepper. Therefore, when selecting the variety, we need to select some cold-tolerant varieties. For example, Hangjiao No.5 and so on, are all good cold-tolerant varieties.
2. Seed treatment
Before sowing, the seeds should be sterilized, so that some harmful eggs and germs carried on the surface of the seeds are eliminated. The surface of the seeds after treatment may also contain certain chemicals, so cleaning is needed to reduce the damage to the seeds. When planting, it is possible to properly carry out the seed dressing and reduce the threat of disease in the later stage.
3. Nutrient soil preparation
Before raising seedlings, first select the soil without disease to configure the nutrient soil, and add some decomposed and sterilized farmyard manure to supplement the nutrients.
After drying and screening, it is configured according to a fixed ratio, mixed with a certain carbendazim for disinfection, and then covered with a film tightly, and after a week or so of sealing treatment, it can be opened for use. Generally, the width of the seedbed is controlled at about one meter, and water needs to be poured before sowing.
4. Sowing time
Generally, seeding starts in July. The seedbed needs to have sufficient water, and the surface layer has thick nutrient soil. First, water is sprayed on the surface, and after the water is infiltrated, the seeding operation can be carried out.
After sprinkling the seeds on the surface of the nutrient soil, continue to cover the film. The surface of the film can also cover some straw to cover the shade. In the evening, if the temperature is lower, the shed will be needed to achieve the effect of heat preservation.
5. Management
During the daytime, it is necessary to control the temperature above 20 degrees in order to promote the emergence of the pepper, and remove the film to increase the certain light. However, it is also necessary to control the temperature of the seedbed. If the temperature exceeds 30 degrees, the seedlings may grow.
In order to keep warm, the greenhouse is rarely opened, so it is easy to cause the air circulation in the greenhouse to be weakened, and the light is also low. Therefore, before 10 o'clock every morning, the curtain should be opened to ventilate and ventilate, and the curtain should be closed before 5 pm. Start to keep warm. Illumination can be supplemented with artificial lighting to reduce the occlusion effects of the greenhouse. On sunny days, you can also use the appropriate shed to increase the sunshine.
For the wonderful pictures and popular comments on the cultivation of greenhouse peppers in the north, you may be interested in the following recommended contents. Welcome to read.
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