Characteristics of heat treatment in summer

1, meteorological change characteristics: summer is a solar term reflecting temperature change. "Chu" means to hide and die, and "early summer" means that the hot summer has passed. That is, the hot summer will pass. After the summer, the rainy season ended, and precipitation gradually decreased in most parts of China except South China and Southwest China. Especially in North China, Northeast China and Northwest China, we must pay close attention to water storage and moisture conservation. If there is drought during autumn sowing, the sowing date of winter crops will be postponed.

2. Phenomenological characteristics: The ancients in China divided the summer heat into three periods: "The eagle is a sacrificial bird; Second, wait for the beginning of heaven and earth; Three Hou Wonaideng. " In this solar term, eagles began to prey on birds in large numbers; Everything between heaven and earth began to wither; "Henaideng" refers to the general term of millet, millet, rice and sorghum crops, and "Deng" means maturity, such as "five grains are abundant".

3. Characteristics of farming activities: River lanterns, generally with lights or candles on the base. Before and after the summer vacation, there will be activities to celebrate the Central Plains, commonly known as "July 30" or "Central Plains Festival", in which river lanterns are put into the water to drift, to mourn the dead and pray for peace.