The chance of late spring cold is very high. How should farmers prevent it?

There is a high chance of late spring cold. How should farmers prevent it?

The meaning of "late spring cold" is "spring is warm in the front and spring is cold in the back". We know that after the beginning of spring, it is considered spring, and then the temperature will slowly rise, although it is not a season of warm spring and flowers blooming. , it won’t get any colder than the 39 weather.

a

This year’s Beginning of Spring comes very early, so we can’t start from the Beginning of Spring. After the Beginning of Spring, “suddenly warm but then cold” is not considered late spring cold. It is a response of the human body to the outside temperature. an experience. For example, after the beginning of spring, the sun is warm and warm during the day, but it is very cold in the morning and night, so you need to wear cotton-padded clothes.

Affected by the strong cold air in recent times, cold wave weather, rain and snow weather in various places have gradually increased, and the temperature has also changed significantly. In some places, the temperature has dropped to below zero. This has had a certain impact on the growth of wheat.

b

We all know that wheat can easily freeze to death at sub-zero temperatures after jointing. It will also have a very negative impact on the future growth of wheat that has not been frozen to death. In other words, don't think that everything will be fine in the past. For weak and short seedlings of wheat, the cold wave will undoubtedly be a disaster.

What we farmers should do most is to use fertilizer to promote growth. Simply put, it requires us to promptly check the frostbitten wheat seedlings within three days after the cold wave and carry out classified fertilization. Help wheat seedlings recover and promote wheat seedling growth.

Based on the freeze death rate per mu of wheat field. Carry out corresponding remedial measures, which is something that farmers in Henan, especially, should pay attention to.

c

Late spring cold generally occurs on fruit trees that bloom earlier, such as kiwi, pear, apple, cherry, apricot, etc. We can strengthen the water and fertilizer management of orchards and apply organic fertilizers, compound fertilizers and medium and trace fertilizers in a timely manner. And carry out watering and irrigation in a timely manner. Timely fertilization and watering of fruit trees can improve the frost resistance of fruit trees. In addition, painting the trunks of fruit trees white, spraying antifreeze, or covering them with cold-proof materials can effectively reduce the intensity of freezing damage to fruit trees caused by cold waves and reduce the occurrence of freezing damage.