Timely medication. Application of pesticides is generally carried out in the early stage of the occurrence of pests and diseases. In the case of rainy days or high temperatures, spraying should not be used to prevent the temperature in the shed from being too high and to reduce the efficacy. Use medication correctly. Correct application of pesticides, pesticides of different types and different mechanisms of action have to be used interchangeably. Their mechanisms of action are different. If attention is paid to rotation, insect resistance can be delayed. Safe medication. The use of high-efficiency, low-toxic, micro-toxic, low-residue pesticides for vegetable application should not blindly increase drug concentration and the number of medications. Correctly follow the instructions for use and strictly prohibit the use of highly toxic pesticides. In the use of pesticides can be added to the new high-fat membrane mixed application, the transformation of highly toxic pesticides for poisoning, poisoning pesticides for low toxicity, low toxicity pesticides for the micro-toxic. Regular pharmacy purchases, on the premise of ensuring the quality of the drug, use of the time to view, the pesticide has been invalid, prohibit the application, will cause economic losses, the occurrence of phytotoxicity. Biological Microscope ,Microscope For Biology Students,Microscope For Biology,Biology Lab Microscope Ningbo ProWay Optics & Electronics Co., Ltd. , https://www.proway-microtech.com