Another growth factor related to humidity is light. Blueberries are not particularly strong for it, but moderate light is needed to ensure growth. Generally speaking, a sunshade net should be used to isolate part of the exposure when the sun is strong, so as to ensure that the temperature in the blueberry shed should not be higher than 26 degrees. Especially when the summer temperature is particularly high, you can cover two layers of sunshade net on the surface, otherwise the high temperature will make blueberries stop growing. The sunshade net can be removed when the temperature drops in the evening, and if the temperature is too low, the thermal insulation film on both sides of the shed needs to be put down to increase the temperature in the shed. But leave some holes in the perimeter to strengthen an internal air flow. When the weather is bad, one should pay attention to the heat preservation work, and the other is the drainage work.
At the Baitikai Zhoujing vegetable base in Waigang Town, Jiading District, the staff raised the roll film to “ventilate and reduce dryness” of lettuce seedlings in the greenhouse. The reporter saw that the completed greenhouse was covered with black sunshade net and silver insulation, and the sprinkler facilities in the shed were opened from time to time to cool down vegetables. Near noon, the outdoor temperature is nearly 40 ℃, while the temperature inside the shed is 15 ℃ lower than that outside. Lettuce seedlings are green and growing happily.
Jinan District Holiday House Electric curtains how much to inquire, 6. Energy saving and environmental protection: electric shutter windows can achieve the appropriate indoor temperature by adjusting sunshade, which can effectively reduce the heat load of air conditioning, absorb solar radiation energy and reduce heating load in winter, thus playing the role of energy saving and consumption reduction. 5. Heat preservation and heat relief: electric curtains can effectively prevent strong outdoor light, maintain a steady state for indoor temperature, and are more suitable for work.
Yibin curtain wall aluminum veneer manufacturers add external sunshade, awning and properly add the length of southward balcony can play a certain role in shading. A heat-reflecting fabric window cloth plated with metal film is arranged on the inside of the window, and the front has the function of decoration.
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So we should adopt the form of deep ploughing. Only in this way can we compare the photosynthesis between plants. It can do a good job of topdressing and the dilution between fertilizers in the later stage. Why should sunshade net be covered in the construction of greenhouse? Prevent rain and release hail. Can reduce the impact of rainstorm and hail, its damage to crops in the shed, cooling in summer and autumn, sunshade net can effectively block the sun, reduce the temperature in the shed, avoid the harm of strong light and high temperature to crops, 3 moisturizing and drought resistance. The speed at which air communicates with the outside world becomes slower. The relative humidity in the shed will become larger, 4 heat preservation and anti-freezing. Covering the sunshade net in winter can provide ground temperature and has the function of preventing frost. Do a good job in the overall heat preservation of the glass greenhouse: (1) if the conditions permit, the construction of semi-underground border surface can improve the soil temperature of the glass greenhouse and play a good role in soil heat preservation.
The interior accessories of the car mainly include steering wheel, dashboard, seat, seat belt, ceiling, door decoration, floor decoration, inner wall decoration, air conditioning system outlet, door lock, door hinge, glass elevator, various seals, wind window wiper, window washer, sunshade, rearview mirror, handle, cigarette lighter, ash box, radio antenna and so on.