The northeast Huanghuai continuous precipitation farmland is affected by disasters.
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In the next three days, most of the northern part of Xinjiang, the northeastern part of China and the Qinling and the south of the Huaihe River will have small to moderate rains, including the northeastern part of Liaoning, the eastern part of Jilin, the southern part of the western Sichuan Plateau and the southern part of the Sichuan Basin, the southeastern part of Gansu, and the southwestern part of Shaanxi. There will be heavy rain or heavy rain in northern Hubei, southwestern Guangxi, northern Hainan, etc., northern Hubei, most of Anhui, northwestern Anhui, northern Jiangsu, most of Yunnan, southwestern Guizhou, most of Guangxi, central and western Guangdong, and Hainan. There are heavy rains in some parts of the area, and there are heavy rains in the local area; some of the above areas are accompanied by strong convective weather such as short-term thunderstorms or hail.
Precipitation will improve the soil deprivation in the eastern part of the northwestern region; the southeastern part of Jilin, eastern Liaoning, eastern and southern Shandong, southern Henan, the middle and lower reaches of the Yangtze River, southwestern Shaanxi, eastern and southern Sichuan, southwestern Yunnan, etc. will continue to be wet. .
According to the Anhui Daily, experts pointed out that most of the farmland was flooded or polluted by floods during the flood disaster. However, due to the short water and soaking time, the crops are still alive or mostly survived, so it is necessary to take timely and effective remediation. Management measures to promote normal growth as soon as possible, reduce the impact of flooding and damage caused by disasters. These measures include early clearing and dredging, eliminating water in the field, and relieving the crops from flooding and irrigating. For the fields lacking seedlings and ridges, the crops are replenished by thickening, sizing or germination to maintain reasonable crops. Density and uniformity. After the waterlogging, the soil fertility loss is large, and the seedling growth is weak. The quick-acting fertilizer should be added in time, and the phosphorus, potassium and calcium fertilizers should be applied to make up for the fertilizer loss and poor crop growth caused by flooding. In addition, after the rain has cleared, it is necessary to hurry up to weed the crops, dehumidify and warm, and timely tillage after the soil surface is slightly dry, not only can eliminate a large number of germinated grass buds, but also can eliminate the knot and improve soil permeability. Improve the ground temperature, activate nutrients, and promote the growth of crop roots. For crops with higher plants, it will play a role in cultivating roots to prevent lodging.
Experts stressed that the ecological conditions after the flooding are likely to cause the invasion, spread and harm of some pests and diseases, the quality of crops is declining, the tissue is traumatic, and it is also susceptible to disease infection. Therefore, plant protection should be especially strengthened, especially the prevention and control of migratory pests. (such as rice planthopper, rice leaf roller), omnivorous pests (such as tick leaf moth, beet armyworm) and rice bacterial blight and some physiological diseases; also pay attention to timely clean up the debris of flooded crops Strain, reducing field pathogens.
The measures include: clearing the ditch, eliminating the accumulated water in the field, thickening the soil, replenishing the small or germination, increasing the application of quick-acting fertilizer, weeding the soil, dehumidifying and warming, timely cultivating, strengthening plant protection, and controlling pests. , clean up the residual strain of flooded crops, etc. In the northeastern region, we should pay close attention to the field management of crops after the rain, timely shovel shovel, topdressing, weeding, timely control of pests and diseases, and ensure the robust growth of plants; for areas that may produce heavy rainfall, local landslides or landslides, collapses, etc. should be done. To prevent work, low-lying areas should also prevent waterlogging.
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