Facility sheds respond to severe weather
In the summer, frequent severe weather such as thunderstorms, strong winds and hailstorms should be prepared in advance to protect facilities and reduce losses.
Do rain work to prevent rain from entering the shed
Every year, a large number of sheds are damaged due to improper protection and are impregnated with rainwater. In particular, old sheds that have been planted for many years often collapse due to rain pouring into the sheds. Therefore, we must take measures to prevent rain.
1. Dig up the drains in advance to prevent rainwater from pouring back. You can dig a drainage ditch equal to the length of the shed at the front face of the shed. The width is about 0.5 meters and the depth is about 30 centimeters so that the water left on the shed can be drained at any time.
2. To cover the film or non-woven fabric, avoid the rain in the back wall of the booth and the east and west walls. The shed body is covered with a film or non-woven fabric, and the rainwater flows down and does not wet the shed body but also protects the wind. Since the film is aging rapidly and easily scratched, it is also necessary to check the condition of the back wall covering film at any time before heavy rain comes, so as to ensure no water leakage.
Reinforce the shelter against wind hazards
When a gale strikes, the shed film can easily be lifted off and ripped off. In particular, the shed film of the arch shed is more severely damaged. The arch shed with aging facilities can even be blown away by strong winds. It is recommended that farmers strengthen prevention.
1. Reinforce the shed body and repair the shed film. Many old shed cement pillars are broken, old bamboo poles are damaged, and the shed film is damaged. The wind resistance is poor. Before the strong winds come, attention should be paid to the maintenance of the shed and the shed. The broken pillars and key parts should be reinforced in time, replace the old bamboo poles, enhance the wind resistance, and at the same time pay attention to the inspection of the damage of the shed film, and timely repair the loopholes.
2. To increase the pressure film rope. Increase the number of film ropes, fix the film, and set up a double film at the doorway. Seal the entrance and exit of the arch to prevent air flow.
Covering insect nets or shade nets to reduce hail hazards
Before the onset of the hailstorm, cover insect nets or shade nets of the same length and length as the canopy rooms, and tighten them so that the insect nets or the shade nets can maintain a certain distance from the surface of the ceiling film. This can reduce the impact of hail on the film and avoid the sheds. The film was broken by ice. Once the film has been smashed, it must be replenished in time to prevent rain from entering the shed. In addition, after the hail has entered the shed, the splashed mud will cover the seedlings and cause mechanical damage to the vegetables. In addition to timely washing of the sludge on the leaves, a fungicide and foliar fertilizer should be sprayed to prevent the invasion of the bacteria from the plant wound. At the same time, flushing roots fertilizers, prompting the recovery of vegetables as soon as possible.
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