What are the characteristics of frost reduction solar terms and what can be planted
frost is the 18th of the 24 solar terms and the last one in autumn, and it is the solar term after the cold dew. What are the characteristics of frost? What can frost grow? Next, let's follow the old yellow calendar of this issue and have a look!,
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frost reduction solar terms on the auspicious day of construction in 2020? Frost is formed by the condensation of water vapor on the ground in cold weather, so frost reduction is not frost, but the phenomenon that the earth will have initial frost when the weather is cold. From a scientific point of view, the saying "dew is frost" is inaccurate. The frozen dew formed by freezing dew drops is a small hard ice bead. Frost refers to the phenomenon of crop freezing damage caused by sharp temperature drop, and its damage temperature varies with crops, varieties and growth periods. To form frost, the temperature of the ground or ground object must be reduced below 0 ℃, and the moisture content in the air in the stratum must reach a certain degree. Therefore, frost does not necessarily occur when frost occurs, and frost does not necessarily occur when frost occurs. However, because the temperature at the time of frost is relatively low, it is easy to cause frost if it continues to cool.,
and you may be interested in: what green onions can be planted by the frost ofand
on the auspicious day of travel in 2020? It is not easy to produce insects, and it is often used in cooking. Maybe when we were young, we often saw old people grow it. Very practical seasoning. Sowing is as thin as hair at the beginning, but it will grow quickly in the later stage. When eating, pinch it and leave the roots to grow for a long time.
celery can be cultivated in the open field in the Yangtze River Basin and South China, sown from September to November and harvested from December to April of the next year. Protected cultivation can be used in the north. Celery is a cool vegetable. It has strong nutritional growth, high yield and good quality under the conditions of cool climate and short sunshine. In most areas of China, autumn is the most suitable for the growth of celery. Therefore, open field celery is mainly cultivated in autumn, with the largest area, but celery has strong adaptability. As long as the suitable varieties are selected and some corresponding measures are taken in planting, it can also be cultivated in spring, summer and winter. At present, a considerable number of regions and cities in China have realized the cultivation mode of spring, summer, autumn and winter, and basically formed a cultivation system that can produce and supply every year.,
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cabbages obtained in 2020 are native to northern China. They are leaf vegetables of Brassica in Cruciferae, usually referring to Chinese cabbage; It also includes Chinese cabbage and cabbage from the cultivated variety of cabbage, namely "cabbage" or "cabbage". It is introduced to the South and cultivated all over the north and south. It was introduced into Japan, Europe and the United States in the 19th century. There are many kinds of Chinese cabbage. In the north, there are Shandong Jiaozhou Chinese cabbage, Beijing Qingbai Chinese cabbage, Tianjin maye Chinese cabbage, Northeast Chinese cabbage, Yutian Chinese cabbage, Shanxi Yangcheng rough edge, etc. Cabbage is eaten with tender leaf balls, rosette leaves or flower stems. The cultivation area and consumption of vegetables rank first in China.
spinach, also known as Persian vegetables, red root vegetables, parrot vegetables, etc., is an annual herb of spinach in Chenopodiaceae. The plant is up to 1m high, with conical roots, reddish, less white, halberd to ovate leaves, bright green, whole or with a few dentate lobes. There are many kinds of spinach. According to the seed morphology, spinach can be divided into two varieties: spiny and spinless. Spinach is native to Iran and widely cultivated in China. It is one of the most common vegetables.https://www.dailyq-a.com/Culture/28784.html
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