At present, the sprayers sold in the rural market in my country are basically small-sized. Among them, the manual knapsack plastic sprayer (hereinafter referred to as the sprayer) is currently the largest and most common pesticide application device, accounting for 80% of the annual sales of plant p

Before spraying two kinds of pesticides that cannot or should not be mixed, the sprayer must be cleaned, otherwise, it will not only reduce the efficacy of the pesticide, but also easily produce pesticide damage and cause undue losses. The specific cleaning method is: Plastic bucket sprayerPour 5% h