Improve the photosynthesis intensity Select a low-temperature anti-aging non-drip film to keep the shed film clean, wipe the film once every 7 days, remove the dust on the film and enhance the transparency. It is also possible to extend the lighting time by artificial fill light.

Increase the carbon dioxide content After 9:00 am on the sunny day, open the vents and ventilate. When the temperature is low, the vents should be small. The coke carbon dioxide generator is used to release carbon dioxide when the coke is fully burned; concentrated hydrochloric acid is placed in a corrosion-resistant container, and a small amount of lime is added to generate carbon dioxide by a chemical reaction; the dry ice is directly released in the shed. The period of carbon dioxide application is mainly in the period of growth of watermelon, especially in the fruit development period. The suitable time for application is around 10:00 am, and the concentration is 0.1% to 0.5%.

Reducing the supply of nitrogen to watermelons should reduce the supply of nitrogen and increase the amount of potassium. In the application of the expanded melon fertilizer, each plant is added with 15 to 20 grams of potassium sulfate. In particular, the absorption of nitrogen by the plants in the late growth stage of the watermelon is controlled. At this time, if the nitrogen is absorbed, the quality of the watermelon will be lowered, because at this time, the watermelon is reduced. No longer grows, excess nitrogen accumulates in the melon, which in turn makes the sweetness and flavor of the watermelon worse. During this period, the increase in side vines is the expression of excessive nitrogen.

Increase the temperature difference between day and night. The higher temperature during the day can increase the intensity of photosynthesis. Lowering the temperature of the greenhouse after sunset can reduce the respiration intensity of the plant, reduce the consumption of sugar, and make more sugar stored in the melon, which is beneficial to the accumulation of sugar. Improve the sweetness of watermelon. In the late stage of watermelon growth, ventilation is enhanced, and the temperature difference between day and night in the shed can be artificially increased.

Controlled pouring of fruit before harvesting began to develop until 2 to 3 days before harvesting. Environmental conditions and cultivation measures played a decisive role in the quality of watermelon. Therefore, watering should be stopped 5 days before the watermelon harvest, which can increase the sweetness of the watermelon.

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Antipyretic & Pain-killer

Antipyretic:

Something that reduces fever or quells it.

There are 3 classes of antipyretic medications that are sold OTC (over-the-counter) without prescription:

Salicylates -- aspirin (acetylsalicylic acid), choline salicylate (Arthropan), magnesium salicylate (Arthriten), and sodium salicylate (Scot-Tussin Original);

Acetaminophen (Tylenol); and

Nonsteroidal anti-inflammatory drugs (NSAIDs) -- ibuprofen (Advil), naproxen (Naprosyn, Aleve), and ketoprofen.

From anti-, against + the Greek pyretos, fever from pyr, fire. The same root gives rise to pyrexia, a medical term for fever.

Antipyretic, from the Greek anti, against, and pyreticus, pertaining to fever, are substances that reduce fever. Antipyretics cause the hypothalamus to override a prostaglandin-induced increase in temperature. The body then works to lower the temperature, resulting in a reduction in fever.

Most antipyretic medications have other purposes. The most common antipyretics in the United States are ibuprofen and aspirin, which are used primarily as pain relievers. Non-steroidal anti-inflammatory drugs (NSAIDs) are antipyretic, anti-inflammatory, and pain relievers.

Pain-killer:

Painkiller is any member of the group of drugs used to achieve analgesia, relief from pain.

Analgesic drugs act in various ways on the peripheral and central nervous systems. They are distinct from anesthetics, which reversibly eliminate sensation. Analgesics include paracetamol (known in North America as acetaminophen or simply APAP), the non-steroidal anti-inflammatory drugs (NSAIDs) such as the salicylates, and opioid drugs such as morphine and oxycodone.

In choosing analgesics, the severity and response to other medication determines the choice of agent; the World Health Organization (WHO) pain ladder specifies mild analgesics as its first step.

Analgesic choice is also determined by the type of pain: For neuropathic pain, traditional analgesics are less effective, and there is often benefit from classes of drugs that are not normally considered analgesics, such as tricyclic antidepressants and anticonvulsants.

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