What are the benefits of dew?

Water droplets condensed on objects when water vapor near the ground meets cold at night or early morning. In the early morning of summer, we can often see some glittering and translucent water drops on the grass leaves. This is dew. In ancient times, people thought that dew was precious water falling from other planets, so many folk doctors and alchemists paid attention to collecting dew and using it to treat all diseases and refine the "elixir of life". On a clear and breezy night, flowers, stones and other objects on the ground dissipate heat faster than air. The temperature is lower than air. When hot air comes into contact with these low-temperature objects, it will saturate and condense into small water droplets and stay on these objects. This is the dew we see. Dew is very beneficial to the growth of crops. In hot summer, the photosynthesis of crops is very strong during the day, and a lot of water will evaporate back and wither slightly. In the evening, due to the supply of dew, the crops came back to life. In addition, it is beneficial to crop transformation and transportation of accumulated organic matter in the grange.