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Additional insulation materials such as grass curtains and lugs are placed around the membrane shed in the second layer to increase the buffering capacity of the air outside the shed. This will increase the insulation capacity of the greenhouse.
During the cold wave of the heating and heating furnace, a heating furnace with a fume exhaust 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.
The shed was hit by four cold spells
Covering a multi-layer film may be covered with a double or multi-layered heat-insulating film, or a small shed or a cover film may be placed in the shed, and a non-woven fabric or the like may also be used to cover the multi-layer film.