As we all know, when the temperature drops very low in winter, all kinds of vegetables should also be warm. If there are some places that are not noticed in the cultivation management of vegetables, it may cause the vegetables to be frozen, so that the benefits of the farmers are affected. Then, what are the better anti-freezing measures for vegetables in the winter? Here, Xiaobian has compiled some for friends.
First, establish a wind barrier
In the vegetable vines adjacent to the material straw and other materials to make a wind barrier of about 1.5m, set a wind barrier every 3-4 ,, can well block the invasion of the cold wind.
Second, covering straw, etc.
This method can be carried out before the frost comes. Choose a suitable time to take some straw, straw and so on to cover the vegetables and vegetables. It is best to sparsely spread the vegetables. It will not cover the vegetables, otherwise it will affect the photosynthesis of vegetables.
Third, watering before the frost
The vegetables are irrigated before the frost, and the temperature can rise by about 2 °C after the cold current.
Fourth, the combination of soil and cultivating
Before the temperature drops very low, the combination of cultivating and cultivating the soil with vegetables will not only improve the soil temperature, but also protect the roots of the vegetables from freezing damage. However, the cultivating soil must be carried out before the soil is frozen, and the depth is 7-10 cm.
Fourth, open the three ditch
Open the "three ditch" to ensure that the ditch, canal and field are unblocked so as to eliminate the frozen water in time.
Five, ash wood ash insulation
Sprinkle a thin layer of ash on the vegetables or ash between the rows of vegetables before the cold damage.
6. Application of organic fertilizer and nutrient solution
Before the frost, use the pig cow dung or soil fertilizer to keep the farmer's fertilizer, and the ring culture in the roots of the vegetable roots can increase the soil temperature by about 2 °C, and the application should be carried out on a sunny day. It is also possible to apply a plant nutrient solution to increase the cold resistance of the plant.
7. Increasing the temperature of vegetables
Weeds, straws, dead branches, fallen leaves, etc. are piled around the vegetable fields. Before the frost comes, the smoke at the corners of the wind head can dispel the cold current. But banned burning vegetables.
The above methods are some measures for how to prevent freezing vegetables in winter. Although the weather in winter is sunny, most of them are cloudy or rainy. Please remember to take care to ensure that vegetables can be safely wintered.
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