Improve the utilization rate of pesticides When using pesticides in open-air crops, it should be suitable to wash with rainwater, and emulsifiable concentrates are appropriate. These pesticides have a longer residual time on the plant surface, while powders, water agents, etc. are relatively poor. In many crop types, there are villi or thick waxy layers on the surface of the leaves. Silicone and other additives can be added to the medicament to enhance the effect of the medicament.
Appropriately reduce the concentration of pesticides. With the increase of temperature, the efficacy of most pesticides will be enhanced, so the use of drugs should be reduced during the high-temperature season. Special attention should be paid to the use of hormones. Can easily lead to the occurrence of phytotoxicity. Therefore, it is necessary to reasonably adjust the concentration of the drug according to the temperature change.
Reasonably spray to prevent poisoning Dispense, application of pesticides to prevent pesticides corroding the skin, the use of volatile pesticides must use masks, prohibit the spraying of pesticides at high temperatures in the summer noon, summer spray should be selected before 9 am or after 4 pm, Avoid the occurrence of injury. Do not apply drugs for extended periods of time.
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