1. Grab the water as soon as possible. Clean up and clear the drainage system in time to reduce damages as soon as possible. Pay attention to the removal of floating debris to reduce the pressure of rice seedlings and rot of the seedlings.
2, timely help Miao washing seedlings. Plant the lodging rice seedlings by hand and plant the roots to prevent them from lodging. Then, be careful when cultivating the seedlings to avoid injury. Then, sprays were used to spray and wash debris and other debris on the rice plant to restore its physiological functions such as photosynthetic respiration faster.
3, timely control of water. After the stagnant water in rice fields receded, the moisture in the fields remained saturated. Sewage drainage should be conducted so that the soil water in the field can seep into the ditch and reduce the moisture content of the field as soon as possible so that the floating mud formed by flooding will gradually sink to promote the growth of new roots. Adhering to the dry, wet and wet irrigation method not only ensures the water requirement of the rice plants, but also ensures the ventilation of the soil and promotes the growth of the upper node root system. In the late stage of grouting, avoid premature water cuts.
4, increase fertilizer and foliar fertilizer. Early rice fields flooded during the fertile period of booting should be supplemented with sprayed grain fertilizer and foliar fertilizer according to the seedling conditions, and 2-3 kg of urea should be applied after 2-3 days of drainage. When heading is 20%, 0.5-1 g of “920†per acre should be used to promote heading. Neatly, after spraying, 0.2% potassium dihydrogen phosphate 50-100? per acre is sprayed according to the seedling condition. Every 5-7 days, spray 2-3 times or spray with growth regulator such as Aimiao to increase Seed-bearing rate and 1000-grain weight; middle rice and one-night field at transplanting and tillering stage, can apply urea 5-7.5? or compound fertilizer 10-20? per acre after drainage for 2-3 days, the flooding time is short, and the rice seedling is damaged Light, fertilizer can be less; on the contrary, the amount of fertilizer is more appropriate.
5, integrated pest control. Affected by flooded rice, plant quality decline, disease resistance weakened, coupled with high temperature and high humidity, early rice in booting, heading stage should be timely to fight the combination of ear-breaking drugs, focus on the prevention of panicle blast, rice planthoppers and dried up disease. Middle rice and the second night Putian focus on prevention and treatment of black streaked dwarf disease.
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