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What is the third period of great summer heat?
The ancients in China divided the great summer heat into three periods: "The rotten grass is firefly;" Second, wait for the soil to moisten the summer heat; When it rains, it will be fine. "

Every summer, due to the high temperature and rain, bacteria are easy to breed, and many dead plants are wet and corrupt. At night, fireflies can often be seen flying around in search of food on rotten grass and leaves.

In addition, the soil is hot and humid, which is very suitable for the growth of water-loving crops such as rice. The third weather means that in this hot and humid weather in the same season, rain will fall in the sky at any time.

Solar farming

Around the "Great Summer", the temperature is the highest in a year, and crops grow fastest. Farming production is closely related to geological and climatic conditions. Monsoon climate is the main feature of China's climate. Monsoon climate is a mixture of continental climate and maritime climate. Monsoon climate shows the same period of rain and heat, which is beneficial to crop growth.

Judging from the seasonal distribution of precipitation, China's precipitation is mainly concentrated in summer, especially in the summer solar term, which is a season when everything is crazy for a long time. In the high temperature season, crops grow vigorously and need a lot of water, and summer is the season with the most and most concentrated precipitation in China. The high temperature period is consistent with the rainy period, and the water and heat are well matched, which is very beneficial to crop growth.

Reference to the above content? Baidu encyclopedia-great summer