Middle Rice Daejeon Chemical Weeding Technology
Rice field weeds include valerian, cattle felt, sedge grass, duckweed, and water peanuts. After 7 days of rice transplanting, the herbicide was selected correctly. The labeling instructions were strictly followed and the use of sulphate was prohibited. Long-lived chemical herbicides of ureide compounds. 1, throwing fields: every 667 square meters can be used 25% of benzalkonium (Acura) 150 grams, mixed with dry fine soil or chemical fertilizer, spread evenly, after the field of medicine to maintain 3-5 cm shallow water layer 5-7 days. 3. For heavy weight fields, use 10% cyhalofop- phorin (several gold) 60ml watered 30kg uniform spray per 667m2, dry field water before application, irrigation 3-5cm after medicine , keep 5-7 days.
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2. Transplanting fields: Use 10% pyrosulfuron-methyl (DuPont rice) 20g or 22% benzyl b (wild) 25.5g per 667m2, mix with dry fine soil or chemical fertilizer, evenly spread, and apply to fields. Keep shallow water for 5-7 days. 