Now the temperature in all parts of the city is cooling down, and it is about to usher in the cold winter. In the winter when the temperature is low, what measures should be taken to prevent freezing damage in the vegetables grown in our own vegetable garden? Let's take a look at the following together.
1. Prevent freezing damage
In winter, the weather is bad, so the nursery shed should strengthen the heat preservation management to prevent the nighttime cold current assault causing the seedlings to freeze damage. In addition to covering the cover, it can also use the geothermal line, fill light, warming block and other measures to increase the temperature to ensure the nursery shed. temperature.
2. Prevention of flash vaccine
In winter, seedlings are required to cover small seedlings and cover the normal temperature of seedling growth. There are many vegetable farmers who believe that ventilation is safe when they are ventilated. Often, when the weather turns fine, the wind is enlarged and the seedlings suffer cold wind. Invasion, the resulting temperature will cause flashing phenomenon. Therefore, it is necessary to remind the vegetable growers to raise the seedlings in the winter. When the weather is sunny, do not suddenly ventilate. If the yin turns fine, pay more attention to gradually uncover the cover. If the seedlings are found to be wilting, cover them in time. After the plants return to normal, they are uncovered, so that forging the seedlings several times can prevent the emergence of flash seedlings and cultivate strong seedlings.
3. Prevent dead seedlings
In the winter nursery, the ventilation conditions are poor, and the humidity in the shed is large, which is easy to cause many diseases such as squatting disease and blight, which can easily cause dead seedlings. Therefore, when raising seedlings, it is necessary to timely ventilate and dehumidify, reduce the probability of disease occurrence, and at the same time, it can be sprayed with Pulk, Moxacillin, and chlorothalonil to prevent it in advance.
4. Prevention of roots
In winter, the temperature is low and the amount of evaporation is small. Therefore, be sure to pay attention when watering. Remember to flood the water, or to pour water or sprinkle water. If conditions permit, you can use drip irrigation or membrane water. Preventing excessive water volume causes the ground temperature to drop suddenly, which in turn damages the roots of the seedlings and causes rooting. When the roots are severe, a large number of seedlings will be killed and the losses will be large.
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