The elevator shaft is the space for elevator operation, which is composed of shaft wall, bottom plate and top plate. The size of the elevator shaft is determined according to the elevator model selection. The shaft wall is installed with elevator rails and counterweight rails, and the reserved door opening is installed with elevator doors. There is an elevator machine room at the top of the hoistway. China Elevator Shaft Components,Elevator System Components manufacturers, welcome Elevator Shaft,Lift Shaft Components purchasers from worldwide to visit our site. Elevator Shaft Components,Elevator System Components,Elevator Shaft,Lift Shaft Components Suzhou Stable Trade Co., Ltd , https://www.stable-elevator.com
Cucumber seed treatment
There are four methods for the common treatment of cucumber seeds, which can be selected according to the disease conditions:
1. Seedling with 0.3% carbendazim at a seed weight of 0.3% to control blight and rickets.
2. Soak seeds with 50% carbendazim 500 times solution for 1 hour, or soak seeds with formalin 300 times solution for 1.5 hours, remove the washing and germination, and prevent blight and black spot disease.
3. The dried seeds are placed in a 70 ° C environment for 72 hours, and the germination rate is checked to soak seeds and germination to prevent viral diseases and bacterial angular spots.
4. Soak the seeds with warm water at 55 ° C for 10 to 15 minutes, and continue to stir until the water temperature drops to 30 ° C ~ 35 ° C, and then soak for 3 ~ 4 hours. The seeds are repeatedly washed, rinsed with water, dried, and then germinated to prevent scab, anthrax, viral diseases, and sclerotinia.
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