How did the "mango" in the 24 solar terms get its name?

The word "awn" of awn seed refers to the harvest of awned plants such as wheat, and the word "species" of awn seed refers to the season of sowing millet crops. The homonym of "awn seed" means that all crops are "busy sowing". Therefore, "awn seed" is also called "busy planting" and "busy planting", which is the spread and sowing of farmers' friends. The arrival of "Mangzi" indicates that farmers have started their busy field life.

Brief introduction of solar terms:

Mango is the ninth solar term in the twenty-four solar terms of the lunar calendar and the third solar term in summer, which indicates the official start of the summer season. When the sun reaches 75 degrees of the yellow meridian, it passes the mans solar term. The literal meaning of awn seed is "the wheat with awn is harvested quickly, and the rice with awn can be planted". "The Moon Order is seventy-two waiting for Ji Jie": "The May Festival means that there are awns in the valley." At this time, the middle and lower reaches of the Yangtze River in China will enter the rainy Huangmei season.

Climatic characteristics:

There is abundant rainfall, and the temperature rises obviously in the awning season. Common weather disasters include tornadoes, hail, strong winds, heavy rains and droughts.

Rain:

It is rainy along the river in the tent season, and the Huanghuai Plain is about to enter the rainy season. The southeast monsoon rain belt in South China is stable, and it is the season with the most precipitation in a year. The middle and lower reaches of the Yangtze River have entered the rainy season one after another, with more rainy days, more rainfall, less sunshine and sometimes lower temperatures. Southwest China has also entered the rainy season of the year since June. At this time, the hail weather in the southwest and western plateau areas began to increase.

After the awning, the monsoon rain belt in the southeast of South China is stable, which is the most rainy season in a year. The middle and lower reaches of the Yangtze River have entered the rainy season one after another, with more rainy days, more rainfall, less sunshine and sometimes lower temperatures. Fan Chengda, a poet in the Song Dynasty, once wrote the poem "After planting awns, rain accumulates to quench thirst": "Merlin has crossed nine rivers, and the sea is vast. The farmland in Liangkuwu is wet and full of catkins every year. " It depicts a picture of a rainy day, the river is full of ditches, and farmers braved the cold and covered with cotton wool to sow seedlings.

Temperature:

During this period, except for the Qinghai-Tibet Plateau and the northernmost part of Heilongjiang, people in most areas can generally feel the heat in summer. Nenjiang River is located in the north of Heilongjiang Province. During the 30 years from 197 1 to 2000, the hottest day (37. 1℃) appeared in the awning period.

In June, whether in the south or the north, there is the possibility of high temperature above 35℃. High temperature weather above 40℃ may occur in Huanghuai area and the eastern part of northwest China, but it is generally not continuous high temperature. In China's southern provinces of Taiwan Province, Hainan, Fujian, Guangdong and Guangxi, the average temperature in June is around 28℃. If it was before the thunderstorm, the air humidity was high, and it was really stuffy and hot. Sometimes it is necessary to issue a high temperature forecast to the public to remind people to prevent heatstroke, air conditioning disease and acute gastroenteritis.