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通过９年的系统研究，对稻田害虫种群数量的“生态控制”总结出适当调节农事、控外避内、明确化学防治目标３种措施，取得了显著的成效
After 9 years of systematic research, the “ecological control” of the number of pest population in paddy fields summed up three measures of regulating agriculture, controlling external evasion, and clarifying the goal of chemical control and achieved remarkable results