Traditional Culture Encyclopedia - The 24 Solar Terms - What agricultural activities are there from winter solstice?
What agricultural activities are there from winter solstice?
1, scarify farmland and apply fertilizer to prevent freezing?
From winter to around, although the northern hemisphere has the shortest sunshine time and receives the least amount of solar radiation, the heat accumulated on the ground in the summer half year can also provide some supplements, so the temperature is not the lowest at this time, so it is necessary to prepare for agricultural activities after the spring. ?
2. Prevention and control of overwintering pests?
Attention should be paid to the prevention and control of overwintering pests in winter solstice solar terms. Killing a pest in the wintering period is equivalent to killing dozens or even hundreds in the coming year, which can achieve twice the result with half the effort. Pests overwintering in the soil can be eliminated through winter ploughing and winter irrigation. Winter ploughing can turn overwintering insects, pupae or eggs lurking in the soil to the surface to freeze to death; Winter irrigation will suffocate the overwintering pests in the soil.
Meteorological changes from winter to the future
After the winter solstice, the climate in all parts of China will enter a coldest stage, which is often called "ninth year cold" and "ninth year cold". The so-called "number nine" means counting from the date of winter solstice (some people say it is from winter solstice), counting "nine" every nine days, and so on; Count to nine, until the eighty-first day, when the peach blossoms opened, the chill disappeared.
Nine days is a unit, which is called "Nine". After nine nines, it happens to be 8 1 day, whether it is "nine out" or "nine out". From "September 19th" to "September 9th", the cold winter turned into a warm spring.
The above contents refer to China Meteorological Bureau-Winter Solstice.
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