Laba should pay attention to vegetable greenhouses in rainy and snowy weather

    When it comes to Laba, we naturally think of "Laba porridge", and when we think of the fragrant and sweet Laba porridge, we think of the Chinese New Year.

    After Laba, the Spring Festival is getting closer and closer, and vegetable production is also the busiest time of the year. At this time, vegetable farmers are most afraid of encountering low-temperature rain and snow, because such weather not only affects the growth of vegetables, but also affects the growth of vegetables. Trouble with transportation.

    It's getting colder and colder, it's about to snow, and it's already falling in some places. The vegetables grown in the facility have entered a critical period. The winter stubble tomatoes are about to turn red, cucumbers have just been planted in some places, and celery will be on the market. The normal management of various vegetables will be disrupted by a snow.

    First of all, in addition to the normal lifting and releasing of the quilt at this time, it is best to put a second layer of film on the quilt. In addition to the function of heat preservation, this film can also prevent the quilt from being soaked by snow when heavy snow comes. Wet, snow is also easier to shovel due to the smoothness of this film.

    Secondly, controlling the humidity in the shed has always been our work. At this time, we must do it well. If you water the ground, don't water the ground, spray as little as possible, and smoke the shed with smoke. Because when it snows, the air vents may not be opened for several days, and the quilt may not be opened. If the humidity in the shed is high, diseases are more likely to occur at that time.

On snowy days, when the snow is not very heavy, try to let the top wind for about an hour at noon every day. If the air vent is not opened for a long time, a large amount of harmful gases, mainly carbon dioxide, will accumulate in the greenhouse. .

    When it finally snows, should I put a quilt or a quilt? There are different views on this issue in different places. Some people think that it is better to raise the quilt, because a thick layer of snow covers the shed film, which can play a good role in keeping warm, even if the shed is covered with heavy snow There will be a little light. If you put down the quilt when it snows, and it snows for several days, if you can't remove the quilt, then the vegetables in the shed will be covered, which is not a good thing, and if the quilt is soaked in heavy snow, it will become very bad. It is heavy and may crush the shed.

When it snows, you must clean up the shed above and below the shed in time, but now there are more elderly people who grow greenhouse vegetables, so everyone must be careful when sweeping the snow. If the snow is not very heavy, don't sweep it. clean up.

    After the cloudy and snowy days have passed and the weather is clear, you can rest assured. No, greenhouse management is the key at this time, because once it clears up, the temperature in the greenhouse will rise rapidly, the evaporation of vegetables will be large, the water loss will be large, and the ground temperature will increase. If it does not rise, the activity of the root system is still weak, and the vegetables will wilt due to excessive water loss. If measures are not taken in time, they will develop into long-term wilting and may eventually die. Therefore, it is necessary to pay attention to the storm after the cloudy and snowy days. Once the leaves are wilted, the quilt should be put down, and the leaves will be reopened after recovery. Repeat this until the vegetables are adapted to the light and the ground temperature rises.