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2. Clean up the gully and remove the flooded vegetable land when it is flooded. Toxic substances increase, root activity declines, and plant growth is affected. Flooding was required to retreat, and rapid drainage was conducted to eliminate stagnant water, reduce groundwater levels, eliminate toxic substances, and promote root growth. It is necessary to loosen soil in time to accelerate soil oxidation and promote the recovery of vegetables. For vegetables that have been seriously affected by the disaster, the vegetables whose roots have died must be cleaned up in a timely manner and sterilized, replanted or replanted with other cash crops.
3. Strengthen the management of fertilizer and water, restore the growth of vegetable seedlings. The root vitality of vegetables after flooding is severely reduced, and the absorption capacity is weakened. At the same time, when the vegetable fields are submerged, the nutrients are easily lost. Therefore, nitrogen, phosphorus, potash fertilizer and other compound micronutrients should be applied in time. Attention should be paid to the application of excessive weight and excessive amounts of fertilization. Otherwise, it is easy to cause fertilizer damage, and the amount of fertilization should be appropriate. At the same time, we must combine cultivators. While doing a good job of fertilizing the soil, it is possible to apply extra-root fertilizer and use natural brassin, potassium dihydrogen phosphate or other compound micro-fertilizers for foliar application.
4. In case of pest control in the event of a clear storm, the control of the disease condition will not spread the rainstorm. The high humidity and high temperature will easily lead to serious pests and diseases. In particular, outbreaks of diseases will occur after the melons are flooded. Therefore, preventive measures must be taken promptly. When the leaves are slightly dry, spray a preventive fungicide that is effective for both fungi and bacteria, such as a copper preparation or a mixture of a fungal fungicide and a bacterial fungicide, to form a film on the wound and leaves to prevent germs. Intrusion. Can also be used for the prevention and treatment of different crop diseases and effective fungicides. Such as (1) downy mildew, epidemic diseases: available anti-virus scorpion, gram, etc.; (2) powdery mildew: available good Lectra, Tsui Bei, etc.; (3) soft rot disease: Available ammonia copper, agricultural streptomycin, plus Rui Nong et al.; (4) Bacterial blight, leaf spot, sclerotiorum, anthrax, brown smut, rust, etc.: Procaco, fluphenazine, etc. may be used.
After flooding, we should also pay attention to monitoring the occurrence of pests, timely prevention and treatment of symptomatic drugs, and at the same time to protect the supply of leafy vegetables in the high temperature period after the summer rainy season, we can use the greenhouse facilities to timely rush to broadcast a batch of fast-growing leaf vegetables, which is conducive to satisfying the residents against fast-growing leaves. The demand for vegetables is also conducive to increasing the income of vegetable farmers.
1. To promptly collect vegetable plots that are heavily flooded with vegetables in fields, organize personnel to timely collect vegetables in the fields to reduce the damage to the environment, so as to prevent vegetables from rot and rot in fields due to flooding.