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The drought in Hebei has not eased. On the 22nd, a new round of rain and snow cooled again.
Last week, the central and eastern regions of China ushered in a wide range of rain and snow cooling weather. The drought in the dry areas of the Yangtze River and Huaihe River was alleviated to varying degrees, while the Hebei region did not receive the rain and snow, only the wind and cooling brought more dryness. The weather, which will make the soil moisture continue to decline, the drought in the wheat field that has been dry will continue or develop. All localities should timely water the frozen water according to the sensation and weather conditions. For the new round of cooling weather on the 22nd, insulation measures such as straw mulching can be adopted to avoid the winter frost damage of winter wheat.
In the next two days, precipitation will be less in most parts of the country, with only small to medium snow or snow showers in northern Xinjiang, eastern Tibet, central and northern Sichuan Plateau, eastern Inner Mongolia, northeast and northeast, and large areas of blizzard in northern Xinjiang. There are light rain or showers in the east, Guangxi, and Hainan. During the day, temperatures in most parts of the country rose during the day. At night, cold air will enter northern Xinjiang and move eastward to affect most of the northern regions. It is expected that a new round of cold air will strike again from the 22nd to the 25th, and will bring a wide range of cooling and precipitation from north to south.
For the wheat fields with weak drought and poor quality of the soil, the wheat fields with weak seedlings and the wheat fields that have not been watered before winter should be watered. For the large-scale wheat fields with large populations, in order to control the growth of wheat seedlings, winter irrigation is not required. In the strong wheat field, the winter irrigation is carried out when the soil moisture content of the cultivated layer is less than 16%, and the winter irrigation is higher than 16%. Winter irrigation should be carried out when the average daily temperature is above 3 °C. Completed before the freezing, the amount of water should not be too large when watering, not only to pour water, but also to avoid water in the field. After irrigation, it is necessary to cultivate the loose soil in a timely manner to prevent the ground from cracking and blowing through the wind and causing damage to the roots.
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