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Northeast Huanghuai Jianghuai has strong rainfall, farmland drainage and disease prevention should be done well
The Central Meteorological Observatory predicts that in the next three days, most of Liaoning, central and eastern Jilin, central and eastern Heilongjiang, southeastern Inner Mongolia, most of Henan, central and northern Jiangsu, eastern and southern Hubei, northwestern Hunan, eastern and southwest Guizhou, Yunnan There will be heavy rain or heavy rain in the central and southern parts of Guangdong, southeastern Guangxi, and most of Hainan. Among them, there are heavy rains in central Liaoning, central Jilin, southern Heilongjiang, and southwestern Guangdong; some of these areas are accompanied by short Strong convective weather such as thunderstorms or hail.
Due to the frequent precipitation in the Huanghuai area, water accumulation in the farmland for a long time is likely to cause soil compaction and loss of fertility, which affects the growth of crop roots. Therefore, for orchards and vegetable gardens with more water accumulation, drain the ditch as soon as possible, dredge the ditch in time, eliminate the accumulated water in the field, and reduce the soil moisture of the farmland. It is necessary to timely support the plants in flooded crops, increase the permeability of farmland, clean the leaves and sediments, remove the residual diseased leaves, and prevent the breeding of pathogens; timely check the incidence, the diseased fields should be cleaned up. The leaves are removed from the field, and the therapeutic pesticides for the counterparts are selected. The non-infected fields are protected by a prophylactic pesticide spray.
The flooded farmland has high humidity, and the temperature and high humidity are easy to cause disease epidemic. Floods and floods cause many gullies and ponds in the gully ponds to overflow, and the ponds and ponds are seriously damaged. The fish species and adult fish escape a lot. Effective measures should be taken in time to reduce the humidity of farmland, strengthen field management, and replant and replant in time to minimize the loss of disasters.
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