At present, the weather conditions are abnormal, and China has a situation of drought in the south and north. At present, cotton has also reached the boll opening period. At this stage, pesticides should be promptly used to control cotton pests and diseases, so as to avoid the harm of pests and diseases, and to improve the yield and quality of cotton to some extent.
Butterfly Valve Lockout system is Easy-to-use. Designed to immobilize valve by encapsulating Butterfly valve to prevent accidental energizing. Our butterfly Valve Lockout is made from polypropylene. This valve lockout have a compact design, which is very easy for carrying and storage,.It can be used together with safety padlocks or safety lockout hasps.
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Cotton, native to the subtropics. The plants are shrubby and can grow up to 6 meters in the tropics, usually 1 to 2 meters. The flowers are milky white, and soon after the flowering, they turn into deep red and then wither, leaving a small green capsule called a cotton boll. There are cottonseed in the cotton boll, and the hair on the cottonseed grows from the cottonseed epidermis and is filled with the inside of the cotton boll. When the boll is mature, it splits to reveal soft fibers. The fiber is white to white with yellow, about 2 to 4 cm long, and contains about 87 to 90% of cellulose. The countries with the highest cotton production are China, the United States, and India.
First, the occurrence of pests and diseases:
The main pests and diseases of cotton boll opening have four generations of cotton bollworm, followed by cotton blind mites, cotton small bridge worms and cotton leaf mites. The number of previous rains was relatively high, and the precipitation was relatively large. It was unfavorable for the third generation of cotton-aged worms. The average temperature in the middle and late August was close to normal, and the precipitation was more than normal. The overall meteorological conditions were favorable for the occurrence of the fourth-generation cotton bollworm.
Second, prevention and treatment methods:
1. Agricultural measures: Combine field management, pruning cotton, remove invalid flower buds and other measures to artificially wipe the eggs to reduce the pressure of prevention and treatment.
2, pesticide control: China's pesticide network is recommended to use 5% hexaflumuron emulsifiable concentrate 1000 times solution or 1% carbaryl salt 1000 times solution or pyrethroids, organic phosphorus and other pesticide spray 1000 ~ 1500 times liquid spray; if it is to prevent cotton In premature aging, foliar fertilizer such as potassium dihydrogen phosphate can be mixed and sprayed.
This universal sized Butterfly Valve Lockout device has an innovative design which enables to lockout most of the butterfly valves used for various applications. This is a simple yet an effective way to secure your butterfly valves to prevent unauthorized operation.
