According to the author's experience in the control of cotton aphids.the systemic insecticidal action of Systox was different when it was applied at different times of the day.
正>在与贫下中农一起
1059(
磷)防治棉蚜的多次
产实践中作者曾经注意到,一天之不同时间喷
,效有差异,傍晚喷效较好。
According to the author's experience in the control of cotton aphids.the systemic insecticidal action of Systox was different when it was applied at different times of the day.
正>在与贫下中农一起1059(磷)防治棉蚜的多次产实践中作者曾经注意到,一天之不同时间喷,效有差异,傍晚喷效较好。
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