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在黑河行薯植保站关怀支持下,探索生物寄生线虫和人工清除萝卜蝇产落对秋白菜防蛆效果,及其对产量的影响,以及应用锌硫磷、敌敌畏、溴氰菊酯防蛆效果与经济效益的关系。
To explore the effect of parasitic nematodes and artificial removal of radish insects on the anti-maggot effect of autumn cabbage and its effect on the yield, and the application of zinc and phosphorus, dichlorvos and deltamethrin in the prevention and control of maggots And the relationship between economic benefits.