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本次试验采用磷化铝、磷化钙对鼷形田鼠进行杀灭效果比较,选择面积为26hm2,以天然屏障分两个试验区和一个对照区,分别投放两种药品。采用计数土丘数法调查灭鼠效果,磷化铝灭效90.57％,磷化钙灭效81.78％,X2=1.593,X0.052=3.B4.X20.05,故两种熏蒸剂的灭效无显著性差异。
In this experiment, aluminum phosphide and calcium phosphide were used to kill Beagle voles. The selected area was 26hm2. Two natural products were divided into two test areas and a control area, and two drugs were administered respectively. The counting rodent number method was used to investigate the anti-rodent effect, the aluminum phosphide was 90.57%, the calcium phosphide was 81.78%, X2 = 1.593, X0.052 = 3.B4.X2 0.05 There was no significant difference in the killing effect of the two fumigants.