Over the past few days, typhoon “White Dolphin” has brought continuous and widespread heavy precipitation to many parts of central and eastern China. The Central Meteorological Observatory predicts that in the next 3 days, there will still be heavy to torrential rain in southwestern Huanghuai, Jianghuai, Jianghan, northern and eastern Jiangnan, and heavy rain in some areas. Currently, the fall harvest crop yield is critical. What impact does continuous precipitation have on agricultural production? Song Yingbo, chief meteorological service expert at the Central Meteorological Observatory, explained that due to the influence of “white dolphins,” Zhejiang, Shanghai, south-central Jiangsu, most of Anhui, northwestern Hubei, and Henan have experienced strong wind and rain since August 8. Water accumulation occurs in some low-lying farmland, causing crop roots to lack oxygen, which can easily cause premature aging and adversely affect the normal growth of fall harvest crops. At the same time, high winds caused high-stalk crops such as corn to fall, economic forest fruits broke down, and greenhouses and aquaculture facilities were damaged to varying degrees. “Continued rainfall can easily cause flooding disasters in low-lying farmland. It is not conducive to pollination of summer corn and one-season rice during the flowering period, and may cause cotton to fall and rise. High winds accompanied by precipitation can easily cause plants to fall. At the same time, they may damage greenhouses and cause rain to be irrigated, which directly affects fruit and vegetable production.” Song Yingbo said that high temperature and high humidity environments can also easily spread crop diseases and pests. How to scientifically deal with agrometeorological disasters caused by continuous rainfall? Song Yingbo suggested that areas with heavy precipitation should clear ditches in a timely manner to ensure smooth drainage; drain and disperse water as soon as possible after rain to reduce soil moisture, restore soil ventilation, and reduce root hypoxia time; land that has been defertilized by heavy precipitation should be applied with quick-acting fertilizer in due course to promote crop growth. After waterlogging, pests and diseases are likely to occur, so you need to seize the clear weather and spray to control them. Song Yingbo also suggested that for corn that has fallen but the stems have not been broken, it is best to fix the soil within three to four days after falling; cotton fields should be pruned and pruned in a timely manner to improve field ventilation and light transmission conditions to reduce flower bell falling off; and in orchards, clean up fallen fruit and broken branches in a timely manner. Furthermore, all regions should scientifically store water to make good reserves for the later stages of fall harvest. The relevant person in charge of the National Meteorological Center said that in the face of the complicated weather situation, the National Meteorological Center will focus on key periods of autumn grain production, focusing on the growth and development of autumn grains, yield formation, and the entire chain of autumn harvest and fall planting. In September, a meteorological service for autumn harvesting and autumn planting will be fully launched, customized meteorological information will be integrated into the national agricultural machinery operation command platform, and agrometeorological disaster risk warnings will be issued in a targeted manner. At the same time, we will strengthen discussions, research and judgment with departments of agriculture and rural areas, transportation, water conservancy, food and materials, etc., improve information sharing and joint prevention and control mechanisms, and make every effort to ensure stable production and income growth of autumn grains.
Zhitongcaijing · 1d ago
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Over the past few days, typhoon “White Dolphin” has brought continuous and widespread heavy precipitation to many parts of central and eastern China. The Central Meteorological Observatory predicts that in the next 3 days, there will still be heavy to torrential rain in southwestern Huanghuai, Jianghuai, Jianghan, northern and eastern Jiangnan, and heavy rain in some areas. Currently, the fall harvest crop yield is critical. What impact does continuous precipitation have on agricultural production? Song Yingbo, chief meteorological service expert at the Central Meteorological Observatory, explained that due to the influence of “white dolphins,” Zhejiang, Shanghai, south-central Jiangsu, most of Anhui, northwestern Hubei, and Henan have experienced strong wind and rain since August 8. Water accumulation occurs in some low-lying farmland, causing crop roots to lack oxygen, which can easily cause premature aging and adversely affect the normal growth of fall harvest crops. At the same time, high winds caused high-stalk crops such as corn to fall, economic forest fruits broke down, and greenhouses and aquaculture facilities were damaged to varying degrees. “Continued rainfall can easily cause flooding disasters in low-lying farmland. It is not conducive to pollination of summer corn and one-season rice during the flowering period, and may cause cotton to fall and rise. High winds accompanied by precipitation can easily cause plants to fall. At the same time, they may damage greenhouses and cause rain to be irrigated, which directly affects fruit and vegetable production.” Song Yingbo said that high temperature and high humidity environments can also easily spread crop diseases and pests. How to scientifically deal with agrometeorological disasters caused by continuous rainfall? Song Yingbo suggested that areas with heavy precipitation should clear ditches in a timely manner to ensure smooth drainage; drain and disperse water as soon as possible after rain to reduce soil moisture, restore soil ventilation, and reduce root hypoxia time; land that has been defertilized by heavy precipitation should be applied with quick-acting fertilizer in due course to promote crop growth. After waterlogging, pests and diseases are likely to occur, so you need to seize the clear weather and spray to control them. Song Yingbo also suggested that for corn that has fallen but the stems have not been broken, it is best to fix the soil within three to four days after falling; cotton fields should be pruned and pruned in a timely manner to improve field ventilation and light transmission conditions to reduce flower bell falling off; and in orchards, clean up fallen fruit and broken branches in a timely manner. Furthermore, all regions should scientifically store water to make good reserves for the later stages of fall harvest. The relevant person in charge of the National Meteorological Center said that in the face of the complicated weather situation, the National Meteorological Center will focus on key periods of autumn grain production, focusing on the growth and development of autumn grains, yield formation, and the entire chain of autumn harvest and fall planting. In September, a meteorological service for autumn harvesting and autumn planting will be fully launched, customized meteorological information will be integrated into the national agricultural machinery operation command platform, and agrometeorological disaster risk warnings will be issued in a targeted manner. At the same time, we will strengthen discussions, research and judgment with departments of agriculture and rural areas, transportation, water conservancy, food and materials, etc., improve information sharing and joint prevention and control mechanisms, and make every effort to ensure stable production and income growth of autumn grains.
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