When the weather is fine, the soil will be flat and exposed to the sun for three to five days. The sun disinfection method is simple and easy, and the effect is good. It can not only effectively eliminate the virus spores, hyphae and pest eggs parasitic on the soil. It can also drive out the adults inside, which is good for the growth of plants.
Put the culture soil into the iron pot and stir fry it for 30 minutes. This method can completely eliminate the microorganisms in the soil, and can also burn the organic matter in the soil to ash, making the soil more permeable, which is conducive to cutting and sowing.
Put 10 kg of plant ash into 50 kg of water and soak for 24 hours. After being taken out, it is filtered and sprayed in the soil, which can effectively prevent and control underground pests such as ground tigers and maggots. This method can eliminate insects and increase soil potassium.
Before ploughing the soil, lay the hay on the surface of the soil and light it. This method can not only kill bacteria and pests in soil in seconds. Can also burn the ashes can also be added to the soil potassium fertilizer
