What are the climatic characteristics of the Grain Full solar term? What disasters are likely to occur during the Grain Full solar term?
Introduction: The solar terms are one of the traditional cultures of our country since ancient times. Each solar term represents a different climate. So what are the climatic characteristics of the Grain Full solar term, and what disasters are likely to occur during the Grain Full solar term? In the blink of an eye, we have entered the fourth month of the lunar calendar. It is early summer now, the temperature is rising, and the weather is getting hotter. The Fortune Teller website will take you to experience the wonderful fourth month of the lunar calendar in 2018.What are the climatic characteristics of the Grain Full solar term?Southern Region“Xiaoman, Daman and the rivers are full” reflects the climate characteristics of this area with frequent rainfall and heavy rainfall. Generally speaking, if the cold air from the north can penetrate into the southern regions of my country at this time, and the warm and humid air flow in the south is also strong, it will easily cause heavy rain or extremely heavy rain in southern China. Therefore, the late period of the Grain Full solar term is often a tense period for flood prevention in these areas. The middle and lower reaches of the Yangtze River "If there is no rain during Grain in Ear, there will be less rain during Grain in Ear" For the middle and lower reaches of the Yangtze River, if there is less rainfall during this period, it may be that the subtropical high pressure over the Pacific Ocean is weaker and located to the south, which means that when the plum rain season comes, there may be less precipitation. Therefore, there is a folk saying that "if there is no rain in Grain in Ear, there will be less rain in the Grain in Ear". The middle and lower reaches of the Yellow River "If Xiaoman is not full, there will be danger for wheat" During the Grain Full solar term, there is a saying circulating in the middle and lower reaches of the Yellow River and other areas: "If Grain Full is not reached, the wheat crop will be in danger." The "one danger" here refers to the fact that the wheat has just entered the milky stage and is very vulnerable to dry and hot winds, which can lead to insufficient grain filling, shriveled grains and reduced yields. There are many ways to defend against dry and hot winds, such as creating protective forest belts and spraying chemicals, which are very effective measures. Northern Region <br /> For the northern region, Grain Full is often the season with the longest sunshine time among the 24 solar terms, and it is a bright season with just a little sunshine. It is much easier to heat the dry air in the north than the humid air in the south, so during the Grain Full season, the temperature in some parts of the north can easily rise suddenly and surpass that in the south. Jiangnan Region "Xiao Man is busy driving three cars and is so busy that he doesn't even know what he is doing" The three wheels here refer to the water wheel, oil wheel and silk wheel. At this time, the crops in the farmland need plenty of water, so the farmers are busy pedaling the waterwheel to turn the water; the harvested rapeseed is also waiting for the farmers to pound it to make fragrant rapeseed oil; farm work in the fields naturally cannot be delayed. But the silkworms at home also need to be carefully cared for. Around the Grain Full Festival, the silkworms will start to spin cocoons, and the silkworm farmers will be busy shaking the spinning wheel to reel in silk. It is recorded in "Qing Jia Lu": "When Xiaoman comes, the silkworm women boil cocoons, prepare silk spinning wheels and reel silk, working day and night." It can be seen that in ancient times, during the Grain Full solar term, new silk was about to be put on the market, and the silk market was about to turn prosperous. Silkworm farmers and silk merchants were all full of expectations, waiting for the harvest day to come soon. In addition, during the Grain Full solar term, the rivers and lakes in the Jiangnan region are often full. If they are not, it must be a year of drought and little rain. There are many proverbs in this regard. For example, in Anhui, Jiangxi and Hubei provinces, there is a saying that "If the Grain Full is not fully harvested, there will be no water to wash dishes"; in Guangxi, Sichuan, Guizhou and other regions, there is an agricultural proverb that "If the Grain Full is not fully harvested, the field ridges will dry up"; in Sichuan Province, there is also a saying that "If the Grain Full is not harvested, the plows and harrows will be hung high". The word "full" here does not mean that the crop grains are full, but that there is plenty of rain. What disasters are likely to occur during the Grain Full solar term?After Grain Full, high temperatures above 35°C begin to appear in the areas south of the Yellow River to the middle and lower reaches of the Yangtze River. Relevant departments and units should pay attention to heatstroke prevention.From the perspective of climate characteristics, most parts of China have entered summer during the Grain Full season. The temperature difference between the north and the south has further narrowed, and precipitation has further increased. The plants in nature are relatively plump and lush, the wheat grains are gradually full, the summer harvest crops are close to maturity, and the spring sowing crops are growing vigorously. It has entered the busy period of summer harvest, summer planting, and summer management. During this period, wheat-growing areas across the country should step up prevention and control of wheat field diseases and pests. In North China, there is a saying that "if the wheat is not fully grown during Grain Full, there will be danger for the wheat." This means that in North China, when winter wheat reaches Grain Full, it enters the maturity stage, and at this time the most feared stage is dry and hot winds. At this time, the rainy season has not yet arrived in North China and it is in a drought. Due to strong sunlight, the ground warms up quickly. When the temperature reaches 30°C, the minimum relative humidity is less than or equal to 30%, and the wind speed is 3-4 meters per second or greater than 3-4 meters, the wind is dry hot wind. Dry and hot winds are extremely harmful to wheat during the flowering to milk maturity period. It accelerates the evaporation of crops, causing the water in the crops to evaporate quickly, destroying chlorophyll, stopping the photosynthesis of crops, causing their stems and leaves to wither quickly. As a result, the grains become shriveled, the skin becomes thick, the belly groove becomes deep, and the thousand-grain weight decreases. The yield is generally reduced by 5-10%, and in severe cases, the yield reduction is more than 30%. Summary: The above content is about [What are the climatic characteristics of the Xiaoman solar term and what disasters are likely to occur during the Xiaoman solar term? 】Problem analysis, hope it can help everyone! |
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