Traditional Culture Encyclopedia - The 24 Solar Terms - What season are the green leaves?
What season are the green leaves?
The leaves we usually look at are green, because they contain chlorophyll, which will cover up other pigments. In summer, with long sunshine and sufficient water, leaves will use chlorophyll for photosynthesis. Photosynthesis is particularly active in summer. The higher the chlorophyll content, the greener the leaves.
time division
In China, summer begins in long summer (May 5-7 every year) and ends in early autumn. Westerners generally say that the summer of solstice is divided into summer. In the southern hemisphere, 65438+February, 65438+ 10 and February are generally designated as summer. In the climatological sense, it is summer when the average temperature exceeds 22 degrees for five consecutive days, and autumn when the average temperature falls below 22 degrees for five consecutive days.
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