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Early post-disaster recovery
If rice is affected by the disaster, treat it differently. If the flooding occurs for about two days, the growth can still be resumed. Drainage and seedlings should be promptly provided after the disaster. After the recovery of life, light fertilizer, it is best to give a little farmyard ash fertilizer, generally about 5 tons per acre. If fertilizer is applied, only about 2.5 kilograms of urea can be applied per acre. Partial application of nitrogen fertilizer should be avoided. Potassium fertilizer of about 5 kilograms can be applied at the same time. Potassium phosphate is best used for potash fertilizer. After the flood, susceptible to bacterial blight and bacterial streak disease. Bacterial blight should be applied at the beginning of the disease Ye Yu Ling or Ye Yuzi, continuous medication 2-3 times. Prevention and treatment of bacterial streak can be used Rhizobia, spraying rice in the early stages of disease (with a content of 23% of the Repium water 500-600 times spray). For rice that has been flooded for more than 3 days and the leaves are soaked in dark brown after death, they must be replanted. Early rice in early July has been cooked or grouted early. When the seedlings near the ripening stage are submerged, they should be planted and washed in shallow water to raise seedlings. After the disaster, there will still be a small amount of harvest. Early flooding after early rice flooding. Severe dead leaves should be replanted as soon as possible. After the disaster, the rice fields that must be replanted should first use the remaining late rice seedlings as much as possible, implement early plugging as far as possible, make full use of the season, and seize the late harvest. If there is a shortage of seedlings, farmyard manure can be applied as a base fertilizer. On this basis, the implementation of single planting can still yield high yields. If there is a shortage of seedlings, the early rice varieties can be used to plant spring and live rice fields can be introduced. The method is to plough and level the paddy field, after the sowing, 1-2 days before sowing, the ditch will be ditched, the width of the car is 2.5m, the surface of the car is smooth, and the surrounding ditch is convenient for irrigation and drainage. Seed-breaking chests are planted in separate compartments and planted at a rate of about 6 kilograms per acre. The previous management is the same as that for wet seedlings. The varieties used must be selected according to different periods in different ripening seasons in order to ensure safe panicles before the cold dew wind comes. For rice fields sown before July 20th, late-maturing early-season rice seeds such as Xiangzaoxian No. 31, No. 32 and No. 33 can be used. Seeds planted on 20-25th can be used in early-maturing varieties such as Huaizao No. 4, Zhongyouza No. 12, and Jiazao 935. If it is before July 25-30, only early-maturing varieties can be used, such as Xiang Zao Zao. No. 6 or earlier varieties.