What is the relationship between mango seeds and summer heat?

Ear seed, big summer heat and small summer heat are all solar terms in the twenty-four solar terms. Twenty-four solar terms are the product of Chinese agricultural civilization, and agricultural production is closely related to the rhythm of nature. It is a knowledge system formed by ancient ancestors following the farming season and observing the movement of celestial bodies to understand the changing laws of seasons, climate and phenology in a year. The twenty-four solar terms play a guiding role in the agricultural production of the ancients, affecting their food, clothing, housing and transportation, and cultural concepts. They contain the long-standing cultural connotation and historical accumulation of the Chinese nation and express the unique concept of time between man and the natural universe.

The awn seed is the ninth solar term in the twenty-four solar terms of the lunar calendar, and it is the awn seed when the sun reaches 75 degrees of the yellow meridian. At this time, it is most suitable for sowing late grain, millet, millet and other awned cereal crops. It is immature to plant awns and crops after awning seeds. ? Mang? Refers to crops with awns, such as wheat and barley. Kind? Seeds. The species of awns indicate that crops with awns, such as wheat, are mature. Before and after sowing, the rainfall in the middle and lower reaches of the Yangtze River in Central China increased and the temperature rose. Entering the rainy season, the air is very humid, the weather is extremely sultry, and all kinds of utensils and clothes are prone to mildew, so it is also called? Mildew rain? .

Slight summer heat is the eleventh solar term in the twenty-four solar terms of the lunar calendar and the fifth solar term in summer. On July 7th or 8th every year, when the sun reaches longitude 105 degrees, it is light summer, which means that the last month of summer officially begins, and the weather begins to get hot, but it is not the hottest time. The summer heat is divided into three periods: first, it is warm and windy; Second, wait for crickets to live in space; Three waiting eagles began to collect birds. ? Summer, summer, size, small at the beginning of the month, big in the month, and still small today. ?

Summer is the twelfth solar term in the twenty-four solar terms of the lunar calendar and the sixth solar term in summer. Every year from July 22nd to 24th, the sun reaches 120? It was a hot summer. ? The big one is very hot. ? Summer heat refers to the unusually hot weather. In the hottest period, the degree of summer heat is from small to large. After the intense heat came beginning of autumn, which also reflected the law that extremes meet.