After entering the Mei, the middle and lower reaches of the Yangtze River were hit by heavy rains and floods, and the droughts and floods turned sharply. Recently, with the entry into the Meiyu period, the disaster surface has expanded. Compared with previous years, this year's flood disaster occurred early, and there are seasons to catch up and crops to make up. All localities should focus on realizing the goal of grain production and farmers' income increase throughout the year. Due to the classification and guidance of disasters, the technical remedial measures of “grab the arbitrage, rushing, looting, and rushing†should be effectively implemented.
First, strengthen the management of light disaster field and promote the early recovery of the affected crops. For the early and middle rice fields with short flooding time, use the water flow to clean the sediment on the stems and leaves of the seedlings; take the drainage field to increase the oxygen and promote the roots; spray the plant accelerator to see the seedlings and the fertilizer and phosphorus Potassium fertilizer accelerates the recovery of plant growth function. The early rice that has entered the beginning of the booting stage to start heading should have shallow water layer tube water to raise the tire and keep the ear. Corn, cotton, melon and other vegetables that are afraid of water and dry crops should use the rain stop to clean the trenches, remove the waterlogging and roots, shorten the flooding time and reduce the damage; and take the seedlings, soil and roots to remove the damage. The old residual leaves of death, the application of fertilizer or foliar spraying of phosphorus and potassium fertilizers and other measures to promote growth and recovery; the cotton and cotton that meet the fat and water should be properly controlled.
Second, grab the season, do a good job of replanting and replanting the heavy disasters. Under the premise of insisting on food priority, it is necessary to calculate the account and benefit account. For the fields of watermelons that have been drowned by water, the rice varieties with short growth period of about 125 days can be selected, and the rice in the first season can be sown by live broadcast; for the fields with low topography and temporarily unable to retreat, it is necessary to breed late rice glutinous rice early. After the water is returned, there are seedlings to be inserted. For the dry land that has been harvested, the rice can be replanted as much as possible. If the rice cannot be replanted, the corn, mung bean, red peony, buckwheat and other autumn cereals or high-efficiency cash crops should be replanted. For paddy fields where water is destroyed by sand, we must do everything possible to speed up the recovery of water conservancy facilities, seize the production season and replant, and cannot restore to paddy fields. We must plant food crops in dry land to ensure the basic stability of grain area.
Third, pay close attention to the occurrence of pests and diseases, and prevent disasters. In view of the floods and floods, the early and mid-sea rice fields are generally flooded with water, which has created favorable conditions for the occurrence of various diseases and insect pests, especially the potential for the spread of rice blast and bacterial blight, and the potential for outbreaks. At the same time, due to tropical storms, The base of migratory pests such as rice planthoppers will expand, and the temperature and humidity will be appropriate, and the threat of outbreaks will increase. At present, while actively controlling the early rice sheath blight, rice stem borer and other pests and diseases, we should pay close attention to the occurrence dynamics of rice blast, bacterial leaf blight and rice planthopper.
Fourth, based on the whole year, scientifically arrange the current work, and realize the apology. First, we must do a good job in the early stage of the ploughing and plucking of rice fields due to drought. It is necessary to use the current sufficient water source to seize the rice planted in the season; the early and middle rice fields without intrusion can be used to broadcast a season of late rice. Second, it is necessary to strengthen the management of water and fertilizer and the prevention and control of pests and diseases in large areas and undisturbed early and middle rice fields, and increase yields. Due to the good warm-light conditions in the previous period, the early stage of suitable early rice insertion is better. It is necessary to further strengthen management, apply the grain fertilizer, preserve the grain number, compete for grain weight, and increase yield; large-area medium-sized rice has entered the post-interpolation tillering stage. It is necessary to see that Miao Shi is good for promoting manure and early harvesting. The third is to arrange early, arrange early breeding of late rice blast, and strive to fill the full rice with late rice to make up for the late morning.
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