As far as possible to catch up with the freezing before the shed, must be sunny on the shed, after the shed needs to open the wind mouth natural ventilation for 1-2 days, such as black and white film enough to dry and then turn off the outlet, goods have a short surface, when the shed with liquid level down as the standard.

1, the structure of the black and white film greenhouse to ensure that the film Angle of view of more than 30 degrees, to ensure that the water will flow down the film.

2, prohibit the use of sulfur powder and other smoke shed, smothered shed, prohibit the use of strong alkali, strong acid fertilizer, in order to prevent harm to the service life of the shed film and the fog flow drop period

3, prevent the shed film and fine iron wire, bamboo pole and other sharp substances immediately touch and friction, to avoid unnecessary damage to the shed film;

4. It is necessary to tighten and smooth the agricultural mulch to ensure that the flow is smooth.

5, prohibit the application of tire skin, drip irrigation with snake skin pipe coiled steel scaffolding, to prevent rust iron pipe, PVC pipe, etc., immediately touch the shed film, to prevent early destruction of black and white film shed film.

In addition, during the whole process of storage of goods, pay attention to the black and white film should be stored in the shady dry warehouse, avoid high temperature exposure, and extrude the hanging material to prevent damage to the plastic film.