The meaning of fear

Sting is the third of the 24 solar terms and the beginning of the mid-spring season. The time point is between March 5 and 7 of the Gregorian calendar every year, and the sun reaches 345.

In the twenty-four solar terms, awakening reflects the phenomenon of biological germination and growth under the influence of rhythm changes. It is the reflection of ancient farming culture on natural festivals, which is of great significance in busy farming.

Second, climate characteristics;

"Spring thunder, everything grows", it is a sunny day in September, the temperature rises, the rain increases, and farmers have no leisure. It can be described as Heshui Zuo's "a thunderbolt startled snakes and insects, and several showers were raining purple. In 1999, the wind in the south of the Yangtze River warmed up and the green fields began to plow in spring. " At this time, the average temperature in most parts of China has risen above 0℃ except the winter scenes in the northeast and northwest. The average daily temperature in North China is 3-6℃, and that in the south of the Yangtze River is above 8℃. The southwest and south China 10- 15℃ are already harmonious spring.

"Spring thunder scares thousands of insects", but the warm climate conditions are conducive to the occurrence and spread of many diseases and insect pests, and weeds in the fields sprout one after another. It is necessary to do a good job in pest control and intertillage weeding in time. "Peach blossoms come, swine fever comes", and we should also pay attention to the epidemic prevention of poultry and livestock. At this time, the temperature rose rapidly, and spring thunder gradually appeared in most areas of the Yangtze River Basin. In most parts of southern China, the first sound of spring thunder can also be heard in the perennial rain and stormy waves; In the northwest of North China, except for a few years, it usually doesn't thunder until Qingming.