Rational use of pesticides also need to do this

Safety interval : the last application to harvest the number of days . If the vegetables used must wait to achieve the required number of days of pesticide products can be broken down .

Note : The main characteristics of the agent , hand sprayer a reminder that during storage , transport and use should pay attention to. At the same time , attention should be proper handling of pesticide packaging .

Scientific use of pesticides application aids. Already contains a certain pesticide formulations surface active agents , but the control objects, with different stages , processing different quality , different choice of water , in order to improve the wetting liquid spreader spray performance and increase efficacy , often need to add some application aids.

Scientific evaluation of the control effect . Insecticide and acaricide efficacy of performance at different times can be divided into two types of fast-acting and holding effect , in particular, garden water sprayer an insect growth regulator type , the efficacy of play slow ; fungicides against the principle can be divided according to Prevention within the suction treatment and protection are two, for the purpose of protecting agent is prevention , after the onset of therapeutic agents can be targeted therapies ; herbicide efficacy of different treatment time divided by pre-emergence and leaf handle both . For this reason, in the evaluation of efficacy should be based on their characteristics , choose a different evaluation . These need to be done