In recent days, everyone may have felt that the weather is gradually getting warmer, but there is still a slight chill in the morning and evening. Will it still be cold after the spring equinox in 2018? What is the saying about the spring equinox? Winter has gone and spring has come. February in the lunar calendar has already entered spring. The Fortune Teller website provides you with more detailed information about February in the lunar calendar of 2018!Will it still be cold after the Spring Equinox in 2018? What is the saying about the Spring Equinox?On the day of the vernal equinox, the sun shines directly on the earth's equator. The seasons in the northern and southern hemispheres are opposite. In the northern hemisphere, it is the vernal equinox, and in the southern hemisphere, it is the autumnal equinox. The Spring Equinox is the New Year in Iran, Türkiye, Afghanistan, Uzbekistan and other countries, and has a history of 3,000 years."Collected Explanations of the 72 Seasonal Changes" says: "In the middle of February, 'equinox' means half, which is half of the ninety days, so it is called 'equinox'. It has the same meaning as 'autumn'." "Spring and Autumn Annals: Yin and Yang in and out, Parts 1 and 2" says: "The spring equinox is when yin and yang are half and half, so the day and night are equal and the cold and heat are balanced." The average daily temperature in various places is generally below 10-12℃ (the standards in different regions are not very consistent). If this lasts for more than 5-7 days, it may cause serious rot of the rice seedlings. Because rice and cotton are both thermophilic crops, it is beneficial for the seedlings to grow evenly and strong only when the temperature is above 10-12 degrees and the weather is sunny and the minimum temperature is above 5 degrees Celsius. On the other hand, if low temperatures and rain occur, then you can imagine what will happen. Frost and frost are the products of cold waves and strong cold air in spring. Cold waves are relatively rare during the warmer climate, but we should not be complacent. In early spring, when the temperature rises quickly and then remains low for a period of time, this weather phenomenon is called late spring cold. In the south, the main impact of late spring cold is the rot of early rice seedlings. In the north, it will affect the growth of peanuts, vegetables, and cotton, and in severe cases it will even cause the death of wheat seedlings. During the Spring Equinox, most of Northwest my country, northern North China and Northeast China are still in the transition stage from winter to spring, with sunny days and frequent winds, and the weather is warm but still cold. According to the statistics of sandstorm weather in recent years, April has the most, followed by March. The vernal equinox lasts for 15 days, which is from the end of March to the beginning of April. In these areas, the blowing sand by strong winds, the floating dust from high altitudes, and especially the pollution caused by sandstorms to the atmosphere, always attract the attention of the public and become a hot topic for a while. |
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