In winter, the vegetables on the front face of the greenhouse showed poor growth, poor growth, poor flowering results, and severe low temperature disease. The reason was that the vegetables near the shed's front face had poor growing environment conditions, especially The temperature is difficult to meet the normal growth of vegetables.

The vegetable farmer Xie Xiangzhen of Fenghuang Village, Jitai Township, Shouguang City, adopted the “one membrane and one trench” insulation measures in front of the shed to better solve this problem. He told reporters: "In the winter, the heat at the front of the greenhouse is rapidly dissipating and the temperature required for vegetable growth cannot be guaranteed. Therefore, strengthening the insulation at this place is the key to promoting the growth of vegetables."

“One-hit” means that before the shed in the afternoon, a grasshopper is used to cover the film on the shed before putting it on. As a result, the front of the shed is equivalent to an additional layer of insulation material. At night, it can effectively reduce heat loss and increase the temperature there. Xie Xiangzhen reminded that after pulling the shed in the morning, the grass pods on the film before the shed should not be rushed to be evacuated first, because withdrawing it will lead to continued cooling. Therefore, it is recommended that after an hour of pulling the shed, the temperature will gradually rise again. It is not too late for the grasshopper.

"A film" refers to the placement of a film on the inside of the front face of a shed with a white mulch film, and maintains a spacing of about 20 cm from the film of the shed. This also serves to strengthen the insulation at the place and reduce heat loss. In addition, Xie Xiangzhen told reporters that in addition to the thermal insulation effect of the second membrane, it can also block moisture, reduce the water droplets dripping from the shed film and evaporate again into the shed, reducing the humidity inside the greenhouse, against gray mold, downy mildew Diseases and other diseases have a controlling effect.

"One ditch" refers to installing a cold-proof ditch outside the shed. Xie Xiangzhen's approach is to dig a width of 35 cm deep and a depth of 50 cm deep from the outside of the shed's frontal face and dig deep into the trenches in layers of 10 cm thick corn stalks, each filled with a layer of corn stalks. , cover it again. By excavating the cold-proof ditch, heat exchange at the front face of the shed can be effectively blocked, so as to achieve the effect of heat preservation.

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