How long will the late spring cold last in 2022? How long will it be cold? How to prevent wheat from freezing?

In the days of cold spring, as long as the last day of the final frost period does not come, there is the possibility of cold spring. When the last frost period is over, the cold spring will be over, and the possibility of cold spring will be gone.

The year-end frost period in central Hebei is April 20th in Grain Rain solar terms, and it will enter a frost-free period on April 2nd1day. In the frost-free period, it is not a cold spring.

In some years, the final frost period is early, the weather process stops before April 10, and there is no day of strong wind cooling and frost, so the late spring cold ends early. One year on April 28, there was a strong wind to cool down, and then the frost killed the watermelon that had just emerged, frostbite the wheat leaves one by one, and the late spring cold of that year ended.

This year's cold spring should end later, because this year's flowers and plants are ten days later than last year. I took out the photos of wild February orchids outside the hospital on March 23rd last year. Compared with the flowers on the same day this year, last year's flowers were all in full bloom, and this year's flowers just opened, which seems to be ten days late.

In contrast, this year's cold snap will last until after April 20.

Late spring cold is not too harmful to wheat. Low temperature means that it turns green slowly. Wheat is a cold-resistant and heat-resistant crop, and it is not afraid of freezing when it is not jointing. Only when wheat grows to pick a single leaf at jointing stage is it most afraid of cold wave.

In the past, the method of preventing frost in spring was very simple, that is, putting smoke on the edge of the ground at night, and the smoke spread to the wheat field to stop and alleviate the cold wave and frost.

Winter wheat is not afraid of freezing. If you are afraid of freezing, light a small fire in the four corners of the field at midnight to drive away the cold wave. This is an old-fashioned method, which is very effective. Do a good job in fire prevention.

There is a saying in northern Shaanxi: In April, black pods froze to death. This means that the freezing weather also occurs in the first frost in April of the lunar calendar. The only constant in the world is change! The change of weather trend is even more difficult to say. Fear nature and act according to the laws of nature. I think it's just a wish that man can conquer nature.

It is better to have enough water.