How long is the great cold in 2022?
How long is the great cold in 2022?
The severe cold in 2022 is 65438+1October 20th, with only one month left. The Great Cold is the last of the 24 solar terms, which indicates that we will soon end the Year of the Ox and usher in a new year. The cold weather is the coldest time of the year for southerners, so measures should be taken to keep out the cold.
The moral of the great cold
The meaning of the great cold is not as literal as it is. On the contrary, in most cases, slight cold is even colder than severe cold. Great cold means that the weather is extremely cold. At this time, the cold wave moves south, and the southern part of China will cool down. This severe cold period is the coldest in most parts of the south.
Agricultural activities in severe cold
Cold weather is cold and dry. When engaged in agricultural activities, we should pay attention to mastering the changing law of temperature and humidity. According to different years, different geographical locations, terrain conditions, etc. Pay close attention to the forecast of meteorological department at any time, plant crops reasonably and avoid unnecessary losses. Especially in the large-scale introduction of cash crops, it can not be ignored; Small-scale planting should also pay attention to the surrounding terrain and environment. For example, around large reservoirs, due to the temperature regulation of water, freezing damage is often light or not. Some cash crops and flowers that are easily frozen can be planted around the reservoir before the cold winter comes. According to the weather changes, the temperature and humidity of greenhouse crops should be well controlled. Both ends of the greenhouse should be ventilated around noon, but they must be closed before 4 pm to maintain the temperature in the greenhouse. During the cold solar term, the weather is cold and the humidity is low, and the plants have stopped growing and are relatively dry. It is necessary to pay special attention to the safety of using fire in the wild or heating at home, and beware of fire. In the cold season, crops grow slowly. At this time, it is very beneficial to keep out the cold and replenish water.