For Meihekou rice, it is necessary to strengthen fertilizer and water management and pest and disease control. Rice has now entered the stage of young panicle differentiation, and early maturing rice has entered the flowering stage. (1) Irrigation deepwater cooling, high temperature during the field irrigation of about 10 cm of deep water, can reduce the field microclimate temperature 2 ~ 3 °C, reduce heat damage; At the same time can ease the effects of drought on rice booting and heading. (2) Apply fertilizer. Before rice breaks, 4 to 5 kg of potassium chloride in the Mushi or foliar spraying of potassium dihydrogen phosphate and brassinolin and other foliar fertilizers increase plant resistance to increase the seed setting rate and 1000-grain weight. (3) Strengthen pest control. According to the forecast of the plant diseases and insect pests in agricultural stations and the technical opinions on prevention and control, the prevention and control of pests and diseases such as sheath blight, rice blast, and locusts are mainly carried out. During the prevention and treatment, the amount of liquid medicine should be appropriately increased, and water should be sprayed on the water, so as to prevent and control pests, reduce humidity, and reduce heat and heat. The best treatment time is before 9 am and after 4 pm.
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