In the next three days, northern Xinjiang, most of the Qinghai-Tibet Plateau, the eastern part of the northwestern region, the central and eastern Inner Mongolia, the northeast, the north China, the Huanghuai, the Jianghuai, the Jianghan, the Jiangnan, the northeast, the south, the southwest, and most of the southwest. Small to moderate rain or showers, including eastern and southern Sichuan, western and northern Chongqing, southwestern Shaanxi, northern and western Hubei, most of Henan, most of Shandong, northern Susong, eastern and southern Hebei, southwestern Guangdong, southwestern Guangxi In Hainan and most parts of Yunnan, there are heavy rains and heavy rains in some areas. Some of these areas are accompanied by strong convective weather such as short-term thunderstorms or hail.
At present, the summer maize in the Huaihe River Basin is in the seedling stage to the jointing stage, the soybean is in the third true leaf stage, and the cotton is in the flowering stage of the bud; the spring maize in the Sichuan Basin is in the period from the tassel to the milky stage; most of the rice in the first season is in the tillering to the booting stage. It is expected that from July 17th to 19th, there will be heavy rainstorms in the Huaihe River Basin and the Sichuan Basin, and there will be heavy rains in some areas; the process rainfall is generally 50-150 mm, and the local area is 200-300 mm. Heavy rainfall will cause water accumulation in some fields and flooding of farmland, which is not conducive to summer maize, soybean seedling growth and one season of rice tillering. It is easy to cause cotton buds to fall off, and some crops may fall down. At the same time, it is easy to cause pests and diseases.
After the rain, it is necessary to grasp the ditch and drain, to prevent or reduce the waterlogging on the farmland; to check the crop growth, timely check the seedlings and replant, increase the application of quick-acting fertilizer, and promote the transformation of the seedlings; the cotton area should be pruned in time to improve the ventilation conditions of the cotton field and reduce The flower buds fall off. At the same time, it is necessary to strengthen the monitoring and prevention of pests and diseases.
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