Which areas in Shanxi will receive blue frost warnings?

The areas where blue frost warnings will appear in Shanxi include Datong, Xinzhou, Jinzhong, Taiyuan, Luliang and Shuozhou. The so-called blue frost warning is to allow the areas where the warning is issued to take precautions in advance to avoid frost on fruits, vegetables, flowers, saplings, autumn harvests, etc. The early warning was issued two days ago. Within these two days, taking immediate action to take precautions is the best way to reduce losses. Frost warning is an early warning of a sudden drop in temperature. This means that the temperature will drop directly from more than ten degrees to below zero. This large-scale cooling will obviously cause very fatal damage to crops and so on. Issuing early warning is of positive significance and can recover most of the losses.

After the blue frost warning is issued, departments at all levels, especially the agriculture and forestry authorities, must temporarily return to work to urge farmers to carry out various protective work. The frost came relatively early this time, so it really had a huge impact on many fruits and vegetables. Especially at night, the temperature will be the lowest. At this time, how to protect crops, etc. from being damaged depends on intervention measures. Measures to prevent frost include:

1. Smoking

If you want to alleviate frost, fumigation is very effective. Pay attention to fire prevention when smoking. This warning also warns of strong winds. weather. The time for smoking should be chosen appropriately, preferably at two o'clock in the morning.

2. Spray water

The so-called water spray method is to lower the temperature of the crops first, so that when frost occurs, the water vapor will release heat and the frost can be alleviated.

3. Wetland

The main principle of the wetland method is to increase the heat capacity of the soil and increase the thermal conductivity of the soil, so as to alleviate frost to the greatest extent.

4. Covering

The most commonly used method is the covering method, which can use straw curtains or films.

5. Frost washing

If there is no time to take measures before the frost and the crops have already been frosted, in this case, you can spray water on the crops before sunrise. This can also Frost relief.