What's the difference between the vernal equinox and beginning of spring?

Since the Spring Festival in beginning of spring, time has entered the spring. In nature and people's minds, spring? It means the wind and the warm sun, and it means the revival of everything. Spring has begun, and the most striking feature of nature is that everything begins to recover. On the occasion of beginning of spring, in China, the Tropic of Cancer (yellow equator) and the south area can obviously feel the breath of early spring. In most parts of the north, it can only be said that it is a prelude to spring. Everything has not recovered yet. It's still winter when everything is closed, and it's still snowing in some places. For the area north of the Tropic of Cancer, the farther away from the Tropic of Cancer (the angle between yellow and red), the later spring comes.

The vernal equinox is one of the solar terms reflecting the changes of the four seasons. In ancient China, beginning of spring, Changxia, beginning of autumn and beginning of winter were the representatives of the four seasons. The vernal equinox, summer solstice, autumn equinox and winter solstice are in the middle of each season. On the day of the vernal equinox, the sun shone directly on the equator, and the time between day and night was equal all over the earth, so the ancient vernal equinox was also called the autumnal equinox? Day and night? . There is a peasant proverb in Central China. Wheat production in the spring equinox is 1000 yuan at a time. . The temperature in all parts of our province continues to rise, but it is generally not as good as the period from rainfall to vernal equinox. Except for the mountainous areas on the edge of the river basin, the average temperature rises steadily to above 12℃, which is beneficial to the planting of crops such as rice and corn, and is also very suitable for afforestation.

What is the beginning of spring? Four gifts? One of them reflects the changes in winter and spring. Spring gives birth to summer, autumn grows and winter harvests. Beginning of spring marks that the winter of seclusion has passed, the weather is fine, everything grows and spring begins. In nature, the most striking feature of beginning of spring is that everything is beginning to show signs of recovery. When you are in beginning of spring, you can clearly feel the breath of early spring in the Tropic of Cancer (Yellow Red Cross) and the south of China. Because China has a vast territory, a large span from north to south and different natural rhythms, beginning of spring? For many areas, this is just a prelude to spring. Everything has not recovered yet. Everything is off, it's still winter.

Chunequinox Toona sinensis is rich in fragrance, tender and crisp, and has the best nutrition in taste. Toona sinensis tastes bitter and cold, and has the functions of clearing away heat and toxic materials, invigorating stomach and regulating qi; It tastes fragrant and can play the role of invigorating spleen and appetizing. But Chunxiang should be eaten as soon as possible. After mid-April, the nitrate content in Toona sinensis buds in most areas is too high, which is not suitable for human consumption. Fresh Toona sinensis buds picked directly from trees can be directly added to vegetables. But if you buy Toona sinensis from the market, you must blanch it before eating it. Blanching with boiling water for about 1 min can remove more than two thirds of nitrite and nitrate, and at the same time, it can better keep the green of Toona sinensis.