Pesticide use

1. Optimum. That is symptomatic medication. Different agents are selected according to different types of pests and diseases. If the virus K is used to control the virus disease, the effect is good. On the contrary, if the virus K is used to control the fungal disease, it will be half the effort and the control effect will not be achieved.
2. Physic. When applying the medicine, different application instruments should be selected according to different varieties and dosage forms of the medicine. Powder sprayers must be used for powder sprayers, conical spray nozzles for spray fungicides, and fan spray nozzles for spray herbicides.
3. Timely. When applying the pesticide, it is necessary to use the pest and disease report as the basis, grasp the economic threshold of the hazard, determine the scientific application time, and control the hazards of pests and diseases under the level of economic damage to achieve the best economic benefits.
4. Moderate amount. The dosage of pesticides must be strictly controlled when applying the medicine, and the dosage should be determined according to the amount of the instructions. Otherwise, the dosage will not reach the control effect, and if the dosage is large, it will easily cause phytotoxicity and pollute the environment.
5. Suitable. When applying the medicine, it is necessary to administer the medicine to the site where the pests and diseases occur, that is, to apply the medicine to the target area, so as to achieve good results and save pesticides and protect the environment.
6. Legal. In the application of pesticides, it must be uniform, no heavy spray, no leakage, and attention to the rotation and compounding of pesticides to improve the efficacy and prevent disease and insect resistance.

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