The dusting method is used to prevent diseases in greenhouse vegetables. It has the advantages of saving labor and chemicals, not increasing the humidity in the greenhouse, and preventing and controlling the effects of the greenhouse. The following four points should be taken into account during specific operations:

First, pay attention to choose the appropriate dust agent

For the control of cucumber downy mildew and tomato late blight, use 10% antifungal agent or 5% chlorothalonil dust agent; control cucumber anthracnose, black heart disease, use 5% chlorothalonil or 12% carbon charred dust Agents; Control of cucumber bacterial angular spot, use 10% of the B dust agent; Prevention of vegetable mold, leaf mold, early blight and late blight, use 12% of the benefits of dust.

Second, pay attention to choose the right duster

Should adopt domestic harvest type 5 or 10 hand powder duster. Before the spraying, the shed was closed, and then 1 kg of powder was sprayed for each acre. The pesticide was put into a duster kit and the amount of powder discharged was adjusted to about 200 grams per minute.

Third, pay attention to spraying time

Sunny days should be applied in the morning or early evening. Cloudy and rainy days can be sprayed all day. The effect of applying pesticides is best after closing the shed in the evening. In the sunny morning to the afternoon when the sunlight is strong, the dustproof effect is low.

Fourth, pay attention to spraying methods

Spraying on vegetables, whether homogeneous or not, has poor results. Only uniform air spray effect is good. If the air spray is not uniform, part of the powder cannot be well dispersed and the control effect will be reduced.

Medical Glove

Viruses and bacteria are everywhere. Preventing them in advance is the best way to reduce the risk of infection. Wearing a mask and washing hands frequently are crucial. The new type of coronavirus has the characteristics of contact transmission, and the fact that the virus exists on the doorknob of patients with pneumonia has also shown the necessity of paying attention to hand hygiene and wearing disposable protective gloves.

Whether it is going out to purchase daily necessities or buying through online platforms, it is inevitable to come into contact with "foreign" items, such as supermarket shopping carts, packaging bags, express packaging boxes, etc., and more things need to be touched after resuming work, such as It is inevitable to take public transportation, elevators, etc., these places may have been touched by patients or suspected patients. Wearing disposable protective gloves is an effective means to reduce the risk of infection when there is no condition to wash your hands at any time.

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