1、 Exposure disinfection

For the soil with rotten roots, although it contains bacteria, it can still be used after treatment. You can use the method of exposure to the sun to disinfect, which is also very easy to operate at home. Choose the noon weather, prepare a plastic film and put it outdoors. Pour the soil in the flowerpot on the plastic film and spread it into a thin layer. It needs to be dried for at least two days, and turn over the soil at intervals to make the disinfection thorough

2、 Mixed Carbendazim

This method is also very common. Buy carbendazim from the drugstore, and then take out a certain amount of powder according to the requirements of the manual, and then mix it into the soil and stir it evenly. In order to play the role of thorough sterilization and disinfection, we should also prepare a slightly larger container, fill it with clean water, and put the flowerpot into the soaking basin, so that the efficacy can be brought into full play. After treatment, dry in the sun

3、 Potassium permanganate

Dissolve potassium permanganate in water as required to make disinfection solution, and pay attention not to be too high. After preparation, you can put the soil in and soak it for about 3-5 hours to penetrate the depths of the soil. After soaking, pour out the solution and dry it in the sun