Spray cleaning methods and benefits

Spraying two kinds of pesticides can not or should not be mixed before the back sprayers must be clean, otherwise, not only will reduce the efficacy and prone to injury, resulting in undue loss. The specific cleaning method is:
1, plastic bucket sprayer
Pour 5% of the hot alkaline (temperature above 60 ℃), so full lance, nozzle and other parts, shake once every 10 minutes, after 2 to 3 hours, pour the lye, then water Rinse 2 to 4 times.
2, drum sprayer
Pour 1% of black alum water (ie, ferrous sulfate solution) for 2 hours, then rinse 2-4 times; also can be washed with hot alkaline soak (as above) for 1 hour, then hot alkaline wash again, and finally rinse with water 4 to 5 times.
In addition, the spraying of herbicides used in electric weed sprayer  general cleaning effect is not good, will bring a chronic injury to crops, affecting crop growth as well as the final production. So you want to set up dedicated sprayer spraying of herbicides.