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Two key points to master when spraying insecticides
First, choose the favorable time period for application according to climate characteristics and the pests' day-and-night activity patterns. The best application times are 9-10 a.m. and after 4 p.m. This is because at 9-10 a.m., the dew on crop leaves has already dried, and it is precisely when diurnal pests are most active. Applying the insecticide at this time will not...