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Four measures to deal with cold currents in facilities greenhouses
When entering the winter, facilities sheds should be ready to deal with cold attacks. The specific method is as follows: The multi-layer film can be covered with a double or multi-layer heat-insulating film, or it can be covered with a shed or a cover film in the shed, or covered with a non-woven fabric. Additional insulation materials such as grass curtains and lugs are placed around the two-story curtain shed to create a buffer thickening between the air outside the shed. This will enhance the insulation capacity of the shed. During the cold wave of the heating and heating furnace, a heating furnace with a flue pipe is used for warming. Pay attention to the strict exhaust pipe to prevent leakage of smoke and damage the vegetables. Watering and Potential Storage While implementing the above measures, vegetable fields need to be filled with water in order to accumulate potential heat energy and enhance cold protection. The use of electric heating and warm organic fertilizer can also increase the soil temperature.