High temperature shack is a common measure for disinfection and sterilization of summer vegetable sheds. After the shack is over, pay attention to the following three aspects of management.
First, it is necessary to supplement the biological fertilizer in time after the high temperature shack. After high temperature, no matter whether it is harmful bacteria or beneficial bacteria, it is killed a lot, and the soil is in the "blank" stage. Many vegetable farmers feel that the effect of high temperature suffocation is not good, and the disease is even worse than that before the shack. The reason is that the beneficial bacteria are not replenished in time. Once the pathogens are introduced first, the inhibition of beneficial bacteria is lacking, and the pathogens will multiply faster and more vigorously. Get up, causing the disease to become heavier after the shack. The biological bacterial fertilizer is evenly applied to the colonization hole before the plant is planted to protect the rhizosphere environment and enhance the disease resistance of the plant.
Second, do not plant vegetables immediately after uncovering the film. Because the soil is mixed with organic fertilizers such as farmyard manure, a large amount of ammonia gas is generated in the process of high-temperature fermentation. Therefore, vegetables should be planted in the day after the film is ventilated 5-7, to prevent gas damage.
The third is to pay attention to the re-introduction of pests and diseases after the shed. After a period of high temperature suffocation, the pathogens in the shed have been basically killed. There are fewer pathogens in the shed, and it does not mean that vegetables will not get sick. Seedlings, farm tools, shoes, etc. may bring pathogens back into the shed.
When the high temperature is shackled, it is necessary to put the commonly used tools such as vegetable baskets, water belts, hoes, shovel, rotary tillers and work clothes and work shoes in and out of the shed into the shed. The clothes and shoes that work in the greenhouse are preferably dedicated, and the sheds should be replaced; the seedlings should be soil-free, and the nursery soil must be disinfected to prevent or reduce the re-invasion of foreign germs and nematodes.
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