Greenhouse vegetable dust method
2018-08-09 17:02:06
In the winter, even in the snowy and foggy weather, the greenhouse vegetables are more serious due to their special environmental conditions. The spraying method is time-consuming and labor-intensive, and increases the humidity of the greenhouse. The dust method is time-saving and labor-saving. High control efficiency and remarkable benefits. Now the reader is introduced as follows:
First, the application of drugs and the amount of medication. A Harvester-5 or Harvest-10 handgun can be used, requiring a wind speed of 8 m/s or more. The harvesting speed of the Harvest Hand-5 type hand crank should reach 36 rpm, and the Harvest-10 type should reach 50 rpm. The purpose is to produce a strong enough wind to make the powder evenly discharged. The amount of powder discharged is adjusted to about 200 grams per minute. Generally, 1 kilogram of dust is used for one mu, and it takes only 5 minutes to treat one mu of greenhouse.
Second, the preparation of the shed before spraying. Before the dusting, close the vents and doors of the shed, cover the plastic cloth of the shed, and try to reach the sealed state. If the shed cloth has small pieces, it will have no effect on the dust.
Third, dusting time. The best time for dusting is morning or evening. The cockroach has not been uncovered or just closed, so the deposition rate of the powder on the crop is higher. Noon should be avoided at noon on sunny days, and powder can be sprayed at any time on cloudy days. Ventilation can be turned on after about 2 hours of dusting. The first spraying is in the early stage of the disease, and it is sprayed every 7 to 10 days according to the condition.
Fourth, the dusting method. Greenhouse: Using the horizontal spray method of retreat, that is, from the inner end of the greenhouse, the operator stands on the aisle, faces the north wall of the greenhouse, faces the south side, sprays on the air, and retreats until the door is closed and the door is closed. If there is any remaining medicine, the powder spray pipe can be inserted into the room from the upper air outlet to spray, until the remaining powder is sprayed. Greenhouse: The left and right air swinging method is adopted. From the north end, the operator stands on the aisle and swings the powder pipe to spray powder on the left and right sides. While spraying, it retreats until it exits the door of the south end and closes the door. Medium and small arch shed: The shed is sprayed, that is, the shed is uncovered on the side of the shed or on different sides of the shed, and the powder spray pipe is inserted into the shed for spraying, and the nozzle swings left and right.
Five, dusting points and precautions. When spraying, the powder must be sprayed evenly into the space of the booth. It is not advisable to spray the powder spray tube to the plant line by line, otherwise the deposition will be uneven. The operation should be in accordance with the pesticide safety operation rules. It is required to wear long-sleeved overalls, goggles, masks and protective caps. The hands and other exposed skin must be cleaned after work.
First, the application of drugs and the amount of medication. A Harvester-5 or Harvest-10 handgun can be used, requiring a wind speed of 8 m/s or more. The harvesting speed of the Harvest Hand-5 type hand crank should reach 36 rpm, and the Harvest-10 type should reach 50 rpm. The purpose is to produce a strong enough wind to make the powder evenly discharged. The amount of powder discharged is adjusted to about 200 grams per minute. Generally, 1 kilogram of dust is used for one mu, and it takes only 5 minutes to treat one mu of greenhouse.
Second, the preparation of the shed before spraying. Before the dusting, close the vents and doors of the shed, cover the plastic cloth of the shed, and try to reach the sealed state. If the shed cloth has small pieces, it will have no effect on the dust.
Third, dusting time. The best time for dusting is morning or evening. The cockroach has not been uncovered or just closed, so the deposition rate of the powder on the crop is higher. Noon should be avoided at noon on sunny days, and powder can be sprayed at any time on cloudy days. Ventilation can be turned on after about 2 hours of dusting. The first spraying is in the early stage of the disease, and it is sprayed every 7 to 10 days according to the condition.
Fourth, the dusting method. Greenhouse: Using the horizontal spray method of retreat, that is, from the inner end of the greenhouse, the operator stands on the aisle, faces the north wall of the greenhouse, faces the south side, sprays on the air, and retreats until the door is closed and the door is closed. If there is any remaining medicine, the powder spray pipe can be inserted into the room from the upper air outlet to spray, until the remaining powder is sprayed. Greenhouse: The left and right air swinging method is adopted. From the north end, the operator stands on the aisle and swings the powder pipe to spray powder on the left and right sides. While spraying, it retreats until it exits the door of the south end and closes the door. Medium and small arch shed: The shed is sprayed, that is, the shed is uncovered on the side of the shed or on different sides of the shed, and the powder spray pipe is inserted into the shed for spraying, and the nozzle swings left and right.
Five, dusting points and precautions. When spraying, the powder must be sprayed evenly into the space of the booth. It is not advisable to spray the powder spray tube to the plant line by line, otherwise the deposition will be uneven. The operation should be in accordance with the pesticide safety operation rules. It is required to wear long-sleeved overalls, goggles, masks and protective caps. The hands and other exposed skin must be cleaned after work.
ã€Comment】 ã€Print this article】 ã€Close this page】 ã€Large, medium and small】
Bontai Diamond Tools Co., Ltd. , http://www.fjdiamondblades.com