Small-scale agricultural medical equipment, such as mist sprayers and sprayers, should be cleaned immediately after spraying, especially after the use of highly toxic pesticides and various herbicides. The medicine barrels must be cleaned immediately, otherwise Vegetables will be poisonous. For example, the day before the use of "long-effect Ling" pesticide spray cotton, and the day after the day in the case of not cleaning the same medical equipment, but also use the "quick kill Ding" spray vegetables, so that the poisonous pesticide residue in the barrel of the drug sprayed to the vegetables On the herbicides that have long-lasting leaf plants, there are broad-leaved plants, and if they are not clean during use, they can easily harm different types of plants when used alternately. Therefore, the sprayer, mister, etc. must not be washed after use. Specific cleaning methods: 1, pesticides (1) After the general use of pesticides, repeatedly washed with water, invert dry. (2) For the highly toxic pesticides, after the use of mud or water can be repeatedly washed, dry upside down. 2, herbicides (1) clean water: wheat field commonly used herbicides such as giant star (tribenuron), corn herbicides such as ethylene mixture, soy, peanut herbicides such as Gaicang, rice field decoction such as God锄 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 苯 锄. . (2) Slurry cleaning: For the king of the track (commonly known as a sweep of light) can be passivated in case of soil, lose the principle of herbicide activity, so after the herbicide without trace, just as soon as the sprayer with muddy water several times to clean Wash with water again (3) Scrubbing with ferrous sulfate: Among the herbicides, only 2,4-D-butyl ester is the most difficult to clean. After the herbicide is sprayed, 0.5% ferrous sulfate solution is used for full milling, and then the cotton, peanut and other broad-leaved crops are tested for safety before any other herbicide can be used.