A shade arch shed was built in the field. The height of both sides of the arch shed should be higher than 25cm from the nursery bed and above 45cm in the middle. After covering the colorless plastic film, it is covered with about 65% sunshade net, and the edge is compacted to prevent air leakage and ventilation. When the temperature in the shed reaches or exceeds 40 ℃ during the day, remove the film at both ends or in the middle to reduce the temperature to prevent the seedlings from being burned by high temperature; do a good job of heat preservation and moisture preservation by compacting the edge of the shed in winter.
The best temperature for the growth of honeysuckle is between 18 and 28 ℃, and the temperature difference among the four seasons in many areas is relatively large. Therefore, in order to promote the better growth of honeysuckle, it is necessary to strengthen the management of field temperature. We can reduce the field temperature by watering and building sunshade, and can also wrap plastic and build a greenhouse to keep warm.
PC endurance board integrates daylighting, thermal insulation and sound insulation, which can be used for greenhouse, furniture canopy, office sound insulation, outdoor advertising light box and so on. Foreign countries even appeared in addition to the supporting structure, pure polycarbonate material of large transparent lighting house, a sunshine, crystal transparent, warm and pleasant. In the aspect of greenhouse construction, there are greenhouses built with PC endurance panels, greenhouses with gables using PC endurance panels, and greenhouses with gables and sidewalls using sun panels. In terms of greenhouse efficacy, there are production-based greenhouse, trade greenhouse based on flower trading center, and greenhouse based on scientific research. PC endurance board is a widely used building material, which can also be used in sunshade and canopy.
Jingzhou customized internal and external sunshade fan water curtain multi-span greenhouse, please check more, when it snows, snow will inevitably bring temperature drop, prepare grass cloak and other thermal insulation items and auxiliary heating equipment such as furnace in advance, in order to supplement the indoor temperature of greenhouse and prevent frostbite. Clear the snow in time after snow has accumulated to a certain thickness or after the snow stops, pay special attention to strengthening the snow removal work at night, the preventive measures at night generally can not keep up with the changes, and the snow cover should be avoided from collapsing the greenhouse and greenhouse. Causing unnecessary losses. After heavy snow, it should be ventilated in time during the day after the weather clears up, but the vents should be properly handled and should not be opened too wide to prevent sudden heat or cold inside the greenhouse from affecting vegetables.
The simplest item in the high temperature test is the exposure test, in which the vehicle is parked in the hot sun with the front facing west, and a temperature display patch is affixed to the engine cover, dashboard, steering wheel and other key parts of the vehicle, and the temperature in the car is as high as 70 or 80 degrees. Then test the door handle, dashboard, sunshade, air conditioning outlet and other internal and external accessories for abnormal noise or functional failure.
According to the regulations, the car front windshield can not use sunshade film with a light transmittance of less than 75%, and the light transmittance of other glass sunshade film can not be less than 50%, let alone mirror reflective film.