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为确定稻田不同鼠密度下每666.7hm~2最佳投饵量,以达到经济有效的灭鼠目的。1992年9～10月在中赤乡进行了该项试验。
In order to determine the optimum density of 666.7 hm ~ 2 for different rodent densities in paddy fields, an economical and effective rodent control was achieved. From September to October 1992, the trial was conducted in Chungcheong.