Should use drugs when really needed.Apply techniques used under principles of "4":Right drug: only use each type for the appropriate object.At the right: in addition to selecting the right drug, time handling also play an important role not least in order to be effective in the room.The right way: Each type of drug has different uses, should apply as instructed according to the characteristics of each type of drug.The right dose: apply the right dosage is recommended, should not arbitrarily increase or decrease because of the influence the effectiveness as well as have the opposite effects to humans and the environmentUse the mixture of drugsUse alternate medicines: Combining drugs with other measures in the measure system of synthetic pest management Should use drugs when really necessary
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