Due to its special environmental conditions, the greenhouse vegetables in the winter and spring seasons have more serious diseases. Spraying methods are time-consuming and labor-intensive and increase the humidity of the greenhouses. The application of the dust method has the advantages of time saving, labor saving, and high control efficiency. Significant benefits and other features.
First, the application of pesticides and the amount of drugs can be harvest -5 type or harvest -10 hand-type duster, requiring the nozzle speed of 8 meters per second or more. The harvest speed of the Harvest-5 hand crank should reach 36 revolutions per minute, and the harvest-10 must reach 50 revolutions per minute. The purpose is to produce enough strong wind to make the powder evenly discharged. The amount of powder discharged is regulated to be about 200 grams per minute. Generally, 1 kilogram of dust agent is used per acre, and only 5 minutes is required to process 1 acre shed.
2. Preparation of the booth before powder spraying Before the spraying, the ventilation openings and doors of the booth shall be closed, and the booth shall be covered with a plastic film to make it as tight as possible. If there is a small piece of plastic film, it will not affect the dust.
3. The best time to spray the powder is the morning or the evening. The pod has not been uncovered or has just been closed, so the deposition rate of the powder on the crop is higher. It should be avoided at noon on sunny days, and it can be sprayed at any time on cloudy days. Ventilation can be turned on two hours after spraying. According to the condition every 7 to 10 days spray once.
Fourth, dusting method Greenhouse: The use of retrograde horizontal spray method, that is, from the beginning of the greenhouse, the operators stood in the aisle, back to the northern wall of the greenhouse, facing the south side, while spraying, while retreating, until exit the door ,Close the door. If there is residual medicine, the powder spray tube can be sprayed into the room from the upper air outlet and sprayed until the powder is sprayed. Greenhouses: Using left-right swing spray method, starting from the north end, the operators stood on the aisle and sprayed dusting pipes to spray powder on both sides. While spraying, they retraced and retraced until exiting the south entrance and closing the door. Small and medium arch sheds: The shed is sprayed on the outside of the shed, or the shed is partially uncovered on one or both sides of the shed, and the dusting pipe is projected into the shed for spraying. The nozzle sways.
V. Spraying Points and Precautions The powder must be evenly sprayed into the space of the booth room when spraying. It is not appropriate to spray the powder sprayer at the line by line, otherwise the deposition is not uniform. When operating, pesticide safety operation regulations should be observed. Wear long-sleeved overalls, wear goggles, masks, and protective caps. After the work is completed, you must wash your hands and other exposed skin.
Anti Cancer, which can be used in drugs for treating cancer, raw material. 7-Ethylcamptothecin, 10-hydroxycamptothecin.
10-hydroxycamptothecin
7-Ethylcamptothecin
7-Ethyl-10-hydroxycamptothecin(SN-38)
Camptothecin
EHP company is a very professional supplier of health products in China.
Anti Cancer
Anti Cancer,Natural High Quality Anti Cancer,7-Ethylcamptothecin,10-hydroxycamptothecin
Excellent Health Products Co.,Ltd. , http://www.sino-excellent.com