Introduction to the Rain Water solar term, what is the origin of the Rain Water solar term?
The Rain Water solar term is the second solar term among the 24 solar terms. As the name suggests, the "Rain Water" solar term means heavy precipitation in that season. So, what is the introduction of the Rain Water solar term? What is the origin of the Rain Water solar term? A year's plan begins in spring, and almost every day in the first month of the lunar calendar is a festival. InkMr.com's special topic on the first month of the lunar calendar in 2019 lists these traditional Chinese festivals and festival customs for you.Brief introduction to the origin of Rain Water solar term:Rainwater is the second solar term among the 24 solar terms. Around the fifteenth day of the first lunar month every year (February 18-20 in the Gregorian calendar), when the sun's ecliptic longitude reaches 330 degrees, it is the Rain Water of the twenty-four solar terms. At this time, the temperature rises, the ice and snow melt, and the precipitation increases, so it is named Rainwater. The Rain Water solar term generally starts on February 18 or 19 of the Gregorian calendar and ends on March 4 or 5. Rainwater, like Grain Rain, Light Snow and Heavy Snow, is a solar term that reflects precipitation phenomena."Collected Explanations of the 72 Seasonal Changes" states: "In the middle of the first month, heaven produces water. The beginning of spring belongs to wood, but what produces wood must be water, so the Rain Water follows the Beginning of Spring. And when the east wind thaws the ice, it dissipates and turns into rain." This means that around the Rain Water solar term, all things begin to sprout and spring is about to arrive. Rainwater means that precipitation has begun and the amount of rainfall is gradually increasing. Rainwater has two meanings. One is that the weather is warming up and the precipitation is gradually increasing. The other is that in the form of precipitation, there is less snow and more rain. After the rain, the spring breeze brings warmth, and people can clearly feel that spring has returned to the earth, flowers are blooming, and the world is full of spring. After the "Rain Water", the temperature in most parts of China has risen to above 0℃. The average daily temperature in the Huanghuai Plain has reached about 3℃, the average temperature in Jiangnan is around 5℃, the temperature in South China is above 10℃, and the average temperature in North China is still below 0℃. Before and after the rain, rapeseed and winter wheat generally turn green and have higher requirements for water. "Spring rain is as precious as oil." Appropriate precipitation at this time is particularly important for the growth of crops. Summary of Agricultural Activities during the Rain Water Solar TermFor farmers who mainly engage in farming, what they care about is how to seize the key season of "a year's plan lies in spring" to carry out spring ploughing, spring planting and spring management to realize the wish of "planting a grain of millet in spring and harvesting ten thousand seeds in autumn".As far as the fields are concerned, rapeseed and winter wheat generally turn green and grow before and after the "Rain Water", and their demand for water is relatively high. However, in North China, Northwest China and the Huanghuai region, precipitation is generally less at this time and often cannot meet the needs of crops. If there is little rain in early spring, spring irrigation should be carried out in time before and after the "Rain Water" to achieve better results, which is often said as "Spring rain (water) is as precious as oil." At the same time, during the rainy period, for those lands that have not been plowed in autumn, especially the hard stubble such as millet stubble and millet stubble, we should take advantage of the opportunity when the stubble has not yet thawed to use a dragger (a tool used for dragging stubble in rural areas, made of strips or branches) to drag the stubble land, or use a roller to press it, and then drag the stubble down and crush it. This can not only ensure the quality of sowing, but also achieve the effect of drought resistance and soil protection. In areas south of the Huaihe River, there is usually more rain at this time, so farmland should be cleared and drained, and inter-cultivation and weeding should be carried out to prevent root rot caused by moisture. The seedling raising work for the double-season early rice in South China has begun. In order to prevent the damage to the seedlings caused by the sudden change from cold to hot, and from cold to warm weather, we should pay attention to seize the "cold tail and warm head" weather, sow in sunny weather, and strive to protect the seedlings in the first sowing. |
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