First, ask the situation before borrowing: Before borrowing, be sure to find out the type and name of the last sprayed pesticide, and carefully check whether there is pesticide residue in the sprayer. Don't use it directly after borrowing so as not to affect the efficacy or cause harm to the medicine and cause unnecessary losses.
2. Thoroughly clean before use: Be sure to rinse the sprayer with detergent solution first, and be sure to avoid any residual liquid on the sprayer. In particular, sprayers that have been sprayed with herbicides are best not to be sprayed with other pesticides. If they are to be used, they must be soaked with washing powder, detergent, etc. for a long time and rinsed repeatedly to ensure cleanliness.
Third, pay attention to observation after spraying: within 48 hours after spraying, if you find that the plant has produced a phytotoxicity, you should immediately spray 1% to 2% of the detergent solution, or spray water several times, can ease the phytotoxicity, reduce loss.
Fourth, after the use of cleaning return: After spraying the drug, the sprayer should be washed repeatedly with detergent and then returned, so as not to affect the use of others.
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