Pesticide control methods: Before germination, spray off the sexual agent on the basis of doing a good job in the health of the orchard; it is very important to spray the medicine at the right time. The prevention and treatment experience of various places proves that the medicine is sprayed 5 times during the whole growth period: the first time is in the middle and the middle of May, the second is in the first half of June, the third is in the end of June, and the fourth is in the middle and the middle of July. The fifth time is from late July to early August. The infecting fruit of the pathogen is related to precipitation. After each precipitation, it should be sprayed, and continuous precipitation should be sprayed continuously. No rain can be pushed back. The most effective agent for the ring disease is 1:2:240 times Bordeaux mixture, 80% mancozeb wettable powder 800 times solution, 25% captan WP WP solution, 40% Fuxing emulsifiable solution 8000 times solution 50% benomyl 1000 times solution, 10% Shigao 2000 to 2500 times solution, 1.5% bacteria stand 2, 800 times solution, 75% smashed 800 to 1000 times solution, 40% anthrax defame WP 400 times Liquid, 50% carbendazim wettable powder 800 to 1000 times liquid, and the like. When the first medicine is sprayed, the fruit is younger and the Bordeaux mixture is easy to cause phytotoxicity. The organic fungicides such as mancozeb and bactericidal can be used. From June to August, the Bordeaux mixture can be sprayed to treat the leaf disease . In the prevention and treatment, attention should be paid to the alternate use of multiple agents.
High speed shutter door is a rapid operating, anti-crash shutter door for indoor application . The most advantage of this door is that the opening/closing speed can reach to 0.6-1.8m/s, really fast action a lot than tranditional rollling shutter door. short opening and closing times reduce cooling loss, avoid airflow and enable a smooth operating procedure. They can also be designed in larger dimensions for the mining and aircraft industries.
High speed door can be easily installed, economical,quiet and efficient with electromechanical drive.
This door quickly though in/out open gate, ideal for warehouses,factories, hangars use, widths can be from 2m to 20 meters.
The material of this door are variety: PVC curtain to keep the insdie clean, heavy duty aluminum door with wind-resisitant function can wrok in heavy windy weather, and also the freezer door can be used in cold warehouse or somewhere like that.
Including models are:PVC High Speed Door, Aluminum Spiral High Speed Door, Self-Recovery repair door, Cold Storage Room Fast Door.
High Speed Door,PVC High Speed Door,Aluminum High Speed Door,Spiral High Speed Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfgaragedoor.com