The North will harvest a wide range of crops in time

From now on, a strong cold air will affect the northern region, and the north will have a wide range of strong winds to cool the weather from west to east.

The Central Meteorological Observatory predicts that from the 27th to the 29th, a relatively strong cold air will affect most northern regions from west to east, and there will be about 5 levels of deviation in northern Xinjiang, western Gansu, most of Inner Mongolia, northern North China, and Northeast China. In the northerly region, the temperature in the above areas will drop by 4 to 8°C and the local temperature will drop by 10 to 12°C. Affected by the cold air, temperatures in most northern China will continue to decline, warming above 25°C will gradually recede, and the maximum temperatures in the northwestern region, northern North China, and western China will also drop below 20°C.

The center of this year's No. 18 tropical storm “Haicang” was located on the offshore sea of ​​central Vietnam at 5:00 on September 27th. Affected by “sea otters”, it will be from 08:00 on the 27th to 08:00 on the 28th, and it will be in the Beibu Gulf, the waters south of Hainan, and the west of Hainan. There will be 7 to 8 gales along the coast, and heavy rains in southern Hainan. The rainfall will generally be 30 to 60 mm.

Typhoon Nashap No. 17 this year has strengthened into a strong typhoon on the night of September 26th. Nasha entered the eastern part of the South China Sea tonight. Under the influence of “Begonia” and “Nasha”, there are 7-8 strong winds in the Midwestern and South China Sea, the Beibu Gulf, and the Taiwan Strait; there are 9-11 winds in the east-central seas of the South China Sea; and the winds in the nearby sea where the center of the typhoon passes. Up to 12-13.

From 08:00 on the 28th to 08:00 on the 28th, moderate rain occurred in northeastern Tibet, southeastern Qinghai, northern Sichuan, southern Gansu, central Shaanxi and southern Shaanxi, Hetao of Inner Mongolia, northeastern Henan, eastern Hainan, and southern China. The rainfall is generally 10 ~ 20 mm, including heavy rain in parts of southern Gansu, southwestern Shaanxi, and northeastern Sichuan, with rainfall reaching 25 to 30 millimeters; heavy rains in southern Hainan, with rainfall reaching 30 to 60 millimeters. Most northern Xinjiang, western Gansu, Ningxia, and Inner Mongolia have 4-6 winds.

In the next three days, most of China's southwest regions still have persistent rainy weather. Middle rains in the middle and east parts of Sichuan, southwestern Yunnan, and other places have heavy rainfall. The accumulated rainfall is generally 20 to 40 millimeters. Most of the meteorological arid areas in Southwest China have a cumulative rainfall of 5 to 15 millimeters, but rainfall in the eastern part of Guizhou, southern Chongqing, and northwestern Guangxi is less than 5 millimeters or there is no significant precipitation.

At present, most of the spring maize in Northeast China, North China, and Northwest China are in the milk-to-mature stage. Most of the northwestern, northern and Huanghuai summer corns are in the milk-to-mature stage, and most of the southwestern regions are in the mature harvest period. Northeast China, Jianghan, and southwestern regions are mostly milk-mature to mature; in the Jiang-Huai and South-eastern one-season rice, they are in the stage of heading to milk ripening, and local areas have entered mature stage. Most of the southern part of southern China and late rice in southern China are at the heading and flowering stage, and the late rice in south-central South China is from tillering to booting stage. Spring wheat in central Inner Mongolia and Qinghai is at maturity. Northeastern, North China and Huanghuai soybeans are in the stage of sowing to maturity. Cotton in Xinjiang, the Yellow River Basin and the Yangtze River are in the cracking period. Potatoes in Heilongjiang, Inner Mongolia, northern Shanxi, and southern Gansu were harvested. Winter wheat in eastern Gansu and central Shaanxi enters the sowing stage. In the south of Shaanxi, in the east of the southwest, along the river in the middle and lower reaches of the Yangtze River, rapeseed is in the sowing stage, and some areas have emerged.

In each agricultural area, the timing of harvesting mature crops should be arranged according to the weather conditions so as to avoid loss of yield caused by rainfall. At the same time, after the rain, measures to reduce the amount of scattered agricultural land should be taken to ensure that the winter wheat seedlings are not affected. In drought-stricken areas in Guizhou, Yunnan, and Guangxi, it is necessary to strengthen the management of water resources management, scientific irrigation, do a good job of drought protection, and ensure the use of agricultural water in the later period. In addition, agricultural facilities that may be subject to strong winds should be prepared as early as possible in the areas with strong winds for overhaul and reinforcement, and fishing vessels in the past should avoid winds.

At present, the autumn crops in most northern regions are in the mature harvest stage, and the time for the occurrence of frost is close to normal. Cooling and frost have no effect on agricultural production. Process-induced precipitation has little impact on autumn harvest and autumn crops. From October 1st to 4th, partial delicacies in Jianghan, Jiangnan, and northern parts of southern China will appear with dew-freezing weather for about 3 days. The late paddy fields that are in the stage of heading and flowering should promptly adopt extra-root fertilizer in order to preserve and conserve rate. Before the onset of cooling, the method of deepwater irrigation was adopted to mitigate the effects of low temperature, but it had little effect on late rice during the milking period of grouting.