Disinfection of flowerpot soil How to disinfect the soil in flowerpot?

1. Simple: If the solar disinfection method is in summer, spread the replaced soil thinly on the ground and expose it to the sun, preferably for two or three days. This method is used for ordinary potted flowers. This method can kill a large number of germs and eggs in the old soil.

2. Convenient: 84 disinfectant is diluted in water by chemical disinfection, and the concentration is controlled at 2%-3%. Pour the diluted medicine into the sprayer and turn over the soil while spraying. Or sprinkle 40% formalin solution evenly on the soil, cover it with plastic bags and seal it. You can use it in a couple of days. These two disinfection methods are strict and difficult to operate.

3, a little more troublesome: heating disinfection method Put the soil that needs disinfection in a container, heat it in a microwave oven, or put it in a pressure cooker or an ordinary iron pot and cook for about half an hour. This disinfection method is suitable for cutting flowers and sowing. This disinfection method is strict.