Will snow and solar terms be cold in 2020? What are the farming activities?

Heavy snow is an important solar term among the 24 solar terms in China, and it is the solar term after the light snow solar term in China. When it snowed lightly, the weather was getting colder. So, will the solar term of heavy snow be cold in 2020? What is the heavy snow farming activity? Let's use the old tradition to understand this solar term!

Is it cold in the heavy snow solar term in 2020? After the cold enters the "heavy snow" solar term, the cold air is active and the weather is getting colder and colder. According to meteorological data, during the heavy snow season, the average temperature in Northeast and Northwest China is below-10℃, and the temperature in the Yellow River Basin and North China is stable below 0℃. Cooling, snowfall, freezing rain, rime, smog and ice are several common weather features after entering the "heavy snow". During the heavy snow season, except for the winter-free areas in South China and South Yunnan, most parts of China have entered winter. Cold air will have a very obvious cooling effect on the northern region. The temperature drop from central Inner Mongolia to Huanghuai area is relatively large, and the temperature drop in some areas may reach above 10℃. The ancients said: "The great man is prosperous, and the snow man is prosperous here." At this time, it often snows heavily and widely, hence the name "heavy snow". Like light snow, rain, Grain Rain and other solar terms, heavy snow is also a solar term that directly reflects precipitation, indicating the beginning time and degree of heavy snow in this period. In the heavy snow season, the minimum temperature in most parts of China has dropped to 0℃ or below, and there may be snowstorms or even blizzards in some areas.

Agricultural activities in heavy snow solar terms Agricultural activities in the north are in heavy snow solar terms, and there is little field management in the north. Winter wheat has stopped growing, which is a low season, but agricultural activities still cannot be relaxed. First of all, we should strengthen the management of winter wheat intertillage, hoe and conserve moisture, increase temperature and weed, seize the opportunity of frozen soil and pay close attention to winter tillage. Snow covers the earth in severe winter, which can keep the temperature around the ground and crops from falling very low because of the cold current, and create a good wintering environment for winter crops. When the snow melts, it increases the soil water content, which can meet the needs of crop growth in spring. In addition, the content of nitride in snow water is five times that of ordinary rain water, which also has a certain effect on fertile fields. If it doesn't snow in time, people will occasionally pour frozen water once or twice when the weather gets warmer to improve the wintering ability of wheat.

Wheat and rape are still growing slowly in the activities of south china agriculture in Jianghuai and the south area, so it is necessary to pay attention to fertilization to lay a good foundation for safe overwintering and growth in the next spring. When wheat in South China and Southwest China enters the tillering stage, tillering fertilizer should be applied in coordination with intertillage, and attention should be paid to ridge cleaning and drainage of winter crops. Although the weather is cold at this time, the stored vegetables and potatoes should be inspected frequently and ventilated in time, and the cellar should not be closed too dead, so as to avoid the temperature rise and excessive humidity leading to rotten cellar. Keep the temperature as low as possible without freezing. Heavy snow should be avoided. If it doesn't snow in time, we must seize the opportunity to carry out winter irrigation in time to improve the wintering ability of wheat. During the heavy snow season, meteorological disasters such as cooling, snowstorm, freezing rain, rime and drift often occur. If it is freezing injury, it is necessary to loosen the soil, increase fertilizer, store water and heat up in time, strengthen management in the middle and late stages, and strive to minimize the loss of freezing injury.

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