8 ways to disinfect soil Simple and effective methods for soil disinfection and sterilization

Nursery plots and flower pots, etc., cultivate the same plant for a long time, and the pests and diseases are serious, so they need to be disinfected and sterilized to grow well. So, how to disinfect and sterilize the soil to achieve the desired effect?

Sun exposure

Choose a sunny day during the hot and sunny season, and place the soil on the roof, cement board, etc. and expose it to the sun for 3-5 days. If the soil is placed in a plastic bag and exposed to the sun, the effect will be better.

Ice and snow blend

When it starts to freeze in winter, turn up the soil and use the low temperatures and rain and snow to kill insect eggs, pathogens and weed seeds.

Microwave drying

Wet the soil with water, put it into a plastic bag with holes, heat it in a microwave for 3-5 minutes, then heat the other side for 3-5 minutes. This can kill most pathogens and insect eggs in the flower soil.

Dry stir fry

Put the soil in a wok and stir-fry it for 30 minutes to achieve the purpose of sterilization. This can disinfect the soil, and then use it after drying.

High temperature disinfection

High temperature disinfection, as the name implies, is to disinfect the soil in a high temperature environment, so that the insect eggs and bacteria and viruses in the soil can be killed by high temperature. We can add water to the pot, put the soil into a cloth bag, and steam it over high heat for a period of time to sterilize it.

Boil in boiling water

The method of boiling soup is similar to high temperature disinfection, which also uses high temperature to sterilize. The soil brought back from the mountains or the wild often contains many invisible insect eggs. Generally, after taking it home, it is boiled several times with 100℃ boiling water, and then spread out to dry.

Wood ash water disinfection

Dilute wood ash five times with water and use the extract to irrigate the soil. This can kill underground pests and increase the potassium content.

Chemical disinfection

Different crops are infected with different diseases and pests. Choosing appropriate fungicides and insecticides to treat the soil according to the main types of diseases and pests can achieve good results.