A Spray Gun is a power tool with a compression-free storage tank designed to mechanically atomise liquids, pastes and powered substances, mainly for coatings. DIT spray guns are airless pressure guns equipped with an electromagnetically powered piston pump. The pump operates at 100 strokes per second. The paint is taken in during the intake stroke and expelled through the nozzle during the pressure stroke.
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Pay attention to the selection of suitable dust
Control cucumber downy mildew, tomato late blight, use 10% anti-mildew or 5% chlorothalonil dust; control cucumber anthracnose, black heart disease, use 5% chlorothalonil or 12% of charcoal dust For the prevention and treatment of cucumber bacterial angular leaf spot, 10% of E d dripping agent is used; 12% of the beneficial dust is selected for the control of vegetable gray mold, leaf mold, early blight and late blight.
Pay attention to choosing the right duster
It is advisable to use a domestic harvesting type 5 or 10 hand-cranked duster. Before the application, the shed was closed, and then the powder was sprayed at 1 kg per acre. The pesticide was placed in the sprayer medicine box, and the amount of powder discharged was adjusted to about 200 grams per minute.
Pay attention to the spraying time
On sunny days, it is advisable to apply medicine in the morning or evening, and spray it on cloudy and rainy days. Applying the best after closing the shed in the evening. In the sunny morning to afternoon, the sunlight is strong and the dust control effect is low.
Pay attention to the spraying method
Spraying on the vegetables, whether uniform or not, the effect is very poor. Only a uniform air-to-air powdering effect is good. If the powder is not evenly distributed, some of the powders will not disperse well and the control effect will be reduced.
Greenhouse vegetable application powder four attention
The use of powder spraying method to control greenhouse vegetable diseases has the advantages of saving labor and medicine, not increasing the humidity inside the shed, and the control effect is remarkable. Pay attention to the following four points when doing specific operations:
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