1, chemical pesticide method Chemical pesticide method is a common and convenient pest control method. There are many chemical pesticides for sewers on the market, which can be poured into sewers. Insecticide can quickly kill all kinds of pests in sewers, and it has long-term effect and can effectively kill pests.
2. biophysics biophysics refers to the use of certain biological characteristics to eliminate pests. For example, properly placing some animals, such as frogs and lizards, in sewers can limit the reproduction of pests, reduce their number or eliminate pests from a biological point of view.
3. Physical control method Physical control method refers to controlling the number and reproduction of pests by physical means. For example, through the ventilation system of the sewer, the air flow is increased, the humid air in the sewer is discharged, and the environment where pests breed is reduced. In addition, it can increase the light, strengthen the lighting of sewers and reduce the hiding of pests.
4. Keeping the sewer clean is also a quick and effective pest control method. In general, the dirt and food residues accumulated in sewers are breeding grounds for various pests. If the sewers are cleaned and all kinds of sundries and stains are thoroughly removed, the breeding of pests can be put an end to.
In short, various methods should be taken to combine the cleaning of sewers with pest control, which can not only kill pests quickly and effectively, but also keep sewers clean and hygienic for a long time.