Ecological control refers to the practice of scientifically managing environmental factors such as temperature and humidity within greenhouses in protected cultivation. This method helps effectively suppress the occurrence of pests and diseases, and when successfully applied, it can achieve excellent disease prevention outcomes.
In vegetable production, over 80% of diseases are caused by fungal infections. These pathogens thrive under moderate temperatures and high humidity, particularly when leaves remain wet for extended periods. If the humidity and temperature inside the greenhouse are not properly managed, disease outbreaks become more likely. Even with chemical treatments, controlling these diseases can be challenging. For example, cucumber downy mildew typically occurs at temperatures between 18-22°C, especially when condensation forms on the leaves.
To prevent such issues, timely ventilation is essential. Adjusting the internal temperature through variable temperature management and using techniques like small water irrigation followed by proper ventilation can significantly reduce the risk of disease. By maintaining conditions that are unfavorable for pathogen growth, ecological control offers a sustainable and effective way to manage plant health without excessive reliance on chemicals. This approach not only improves crop quality but also supports environmentally friendly agricultural practices.
Urine Bag
Urine bag, also known as a urine collection bag, a type of medical product used to collect and store urine from a person who is unable to urinate normally, mostly made from transparent PVC films. It is attached to a Foley Catheter that is inserted into the bladder through the urethra.
The urine bag is designed to be worn discreetly and securely, either attached to the patient’s legs or hung from a bed or wheelchair. It has a drainage valve that allows for easy ventilation. The bag also includes features such as anti-reflux valves or filters to prevent urine from flowing back into the bladder and causing infection.
Urine bags are commonly used in hospitals, nursing homes, and home care settings for patients who have urinary retention, urinary incontinence, or are recovering from surgery. They are typically disposable and should be replaced regularly to prevent bacterial growth and infection.
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