What are the phenological characteristics and human activities in midsummer?

On summer nights, fireflies will fly around in the rotten grass for food. At this time, the soil is hot and humid, which is very suitable for the growth of water-loving crops such as rice. The heat is in midsummer, and the weather is hot, which is easy to form rain. In summer, people will go on a cruise, eat noodles, drink tea, see off athel plague, enjoy lotus flowers, bask in ginger, eat chicken, eat lychee, send a boat, and eat watermelon in summer.

The summer solar term is the hottest time of the year, just before and after the "midsection" of the "dog days". In summer, the sun is like fire, the temperature is high, the humidity is high, and there is much rain. Although it is inevitable to suffer from high temperature and humidity, it is very beneficial to the growth of crops, and crops grow fastest during this period.

Summer solar terms are the period with the most sunshine and the highest temperature in South China, the period with the richest precipitation, the most common thunderstorms and the most concentrated days with high temperature above 30℃ in the west of South China, and the period with the most frequent high temperature above 35℃ in the east of South China.

The summer heat is also the season with the most thunderstorms. There is a proverb that says, "Without a drop of lightning in the east, the west can't walk", which means that if there is lightning in the east in summer afternoon, it won't rain here. If lightning is in the west, it will come soon, and it is too late to hide.