1. Remove weeds and eliminate the source of poison. 2. Wheat is flat, and it is well-arranged to avoid nesting with grasses. 3. Intensive farming, elimination of the living environment of Laodelphax striatellus, reducing the source of poisons and insects. Properly postponed the sowing time in the appropriate period. Breeding wheat in winter wheat seedlings to reduce the winter fly sedge fly. Early fertilization of wheat in the returning green stage increased the spike rate. 4. Apply seed dressing to wheat seeds. Seed coating was performed with imidacloprid+smedan+trifloxacin or Ruisheng+shandoxin before sowing for prevention. 5. In mid-late winter of mid-November or mid-to-late March, use 10 grams of imidacloprid per se + 25 grams of Hydrazine zinc + 30 grams of Poison Po or 40% of Omethoate in 30 ml + 25 ml of chlorophyll or Shuofeng 481 + Apoisonine 30 ml against a bucket of water for spraying at noon on a sunny day, interval 5 to 7 days, 2 to 3 times in a row is appropriate.
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