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How to use agricultural greenhouse covered with non-woven fabric in winter?

  • Author:Junqian Nonwoven
  • Source:Original
  • Release on :2018-04-27
In winter, the climate is cold. In general, anti-season vegetables, such as eggplant, melon, and beans, are produced in greenhouses. Commonly used methods are covered with plastic films or covered with shading nets and rice straw. However, if only a multilayer plastic film is used to cover, although the effect of heat preservation is particularly good, the humidity inside the shed is relatively large, which may cause leaf diseases or rot of pulp. Therefore, we used a long-fiber non-woven fabric as an experiment, and covered a layer of non-woven fabric in a shed in a greenhouse. The performance of heat preservation achieved particularly good results. This method is not very complicated and agricultural practices can be implemented.

With a plastic film and a non-woven fabric (size 80 to 100 g/m2), the effect of covering the heat is good, and the temperature inside the greenhouse during the growth of the general vegetable can be maintained at 8°C or more. The detailed method is: uneven ground with plastic film, trench covered with straw, and then based on the size of vegetables such as fruits, eggplant and other plants in the greenhouse to take a small shed or shed, when the day is dark, first cover a Non-woven fabric layer, then covered with a layer of plastic film, or cover the film back cover non-woven fabric can also be. When the weather drops to 0~-2°C, the temperature in the shed can be kept at least 8°C. If cold is encountered, it can be covered with a layer of non-woven fabric and film even if the weather is -5°C. Below, the temperature in the shed can still be maintained above 5°C. Use this method to maintain the temperature, can let the greenhouse, eggplant, melon, etc. can be normal growth and results in the winter.

The effect of moisture absorption is strong, and there is no water drop on the leaves of the crop in the non-woven shed, which can prevent or reduce the disease and rotten fruit in the leaves. During the daytime, the water vapor in the non-woven fabric evaporates, and at night, it absorbs moisture from the crops in the shed. According to investigations in recent years, vegetables are rarely diseased.

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