Affected by strong cold air, most of China will have strong winds, rain and snow, and dust in the northwest. At present, spring ploughing is being carried out in various places, and it is necessary to pay close attention to the weather changes and prepare for the preparation of spring ploughing.
According to the Central Meteorological Observatory, in the next three days, cold air will continue to move eastward and southward, affecting most of China's regions. The middle and lower reaches of the Yangtze River and its north areas will have 4 to 6 northerly winds, and the estuaries of the mountain and rivers will be 6 to 7 The temperature in the northwestern region, the southwestern region, the south of the Yangtze River, and the south of China will fall by 6-12 °C; Xinjiang's Nanjiang Basin, Qinghai Qaidam Basin, Gansu Hexi area, Inner Mongolia's central and western regions, Ningxia's central and northern parts, and north Shaanxi's northwest Sand or sandstorm.
The above areas should be managed in greenhouses and greenhouses to adjust the temperature and humidity in the shed to prevent the damage from heavy winds. Artificial lighting can be added when the illuminating is prominent, and the ditch should be cleaned in the soil over-wet area, and the accumulated water in the field should be eliminated in time to prevent the occurrence of wet waterlogging.
It is expected that from the 21st to the 22nd, there will be moderate to heavy rain in parts of Jianghuai, Jianghan, Jiangnan, northern South China and the southwestern part of the southwestern region. There are heavy rains in some areas, and the accumulated rainfall can reach 50-80 mm. It is suggested that the southern spring sowing area should do a good job in the preparation of spring sowing, pay attention to temperature changes, soak seeds and germination in a timely manner, use the precipitation gap, and use the film breeding method to sow the early rice and dry land crops in time; large areas of early rice open field breeding should wait for the temperature to rise. . The cultivated areas should be well managed in the field to prevent the squalor caused by the rain and rain.
There will be small to moderate rain or thunderstorms in the meteorological and dry areas of Yunnan, Yunnan. From the 22nd to the 23rd, there will be small to moderate rain or thunderstorms in the meteorological and dry areas in southern Sichuan and northern Yunnan, with a cumulative rainfall of 8-20 mm. According to the drought situation and the local water storage situation, all parts of Yunnan should reasonably adjust the rice planting time for one season and plant the dry land crops such as spring corn in time. The northwest spring sowing area should do a good job of preparing for cultivating and broadcasting, pay close attention to the weather and soil freezing, and seize the favorable opportunity to rush to broadcast spring wheat to ensure the smooth progress of spring sowing.
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