Spring is when the temperature reaches several degrees.

In meteorology, the beginning of spring is that the average temperature is above 10℃ for five consecutive days. The Gregorian calendar in the northern hemisphere is March-May, and in the southern hemisphere (such as Australia) it is September-165438+ 10.

In spring, the climate is warm and moderate, everything germinates, the climate is changeable, and it is warm and cold at first.

Spring has three months, starting in February and ending in May. In Europe and America, spring begins at the vernal equinox in China and ends at the summer solstice. In Ireland, February to April is designated as spring.

The workers set a standard for dividing the four seasons as consistent as possible with the natural scenery. Taking the five-day average temperature as the standard, it enters spring when the five-day average temperature passes 10℃ after winter, and when the temperature is higher than 22℃, it means late spring and early summer. ?

Beginning of spring is the beginning of spring. Since the Qin Dynasty, beginning of spring has been the beginning of spring in China. Beginning of spring is divided from astronomy, but in nature and people's minds, spring is warm and flowers are fragrant. Spring is growth, cultivation and sowing. In climatology, spring refers to the period when the average temperature is between 10℃ and 22℃.

Spring, also known as spring, is the first of the four seasons, which refers to the period from beginning of spring to long summer, including solar terms such as beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain. This is the season when everything comes back to life. The Gregorian calendar in the northern hemisphere is March-May, and in the southern hemisphere (such as Australia) it is September-165438+ 10. In meteorology, the beginning of spring is that the average temperature is above 10℃ for five consecutive days. In spring, the climate is warm and mild, and there is rain in most inland areas of China, where everything germinates and the climate is changeable.

Speaking of beginning of spring, people obviously feel that the days are getting longer and the sun is getting warmer. Temperature, sunshine and rainfall are often at the turning point of the year and tend to rise or increase. The growth of crops in early spring is accelerated, and the water consumption for bolting rape and jointing wheat is increased. Irrigation and topdressing should be done in time to promote growth. Agricultural proverbs remind people that "it rains in early spring, get up early and go to bed late", and Da Chun has begun to prepare for agriculture. Although it is spring, most parts of South China are still very cold. The snow in spring came too late, so it is flying through the Woods. These climatic characteristics should be taken into account when arranging agricultural production. Where is the information that people often look for in spring? The buds protruding from the wicker are "softer than gold and softer than silk". The eager grass in the soil is waiting for "they grow taller in the spring breeze". In order to win a new harvest, people who work hard in the fields are creating real spring with their hands.

The poem says: "The east wind brings rain to drive the west wind, and the earth is sunny and warm. Su Meng wakes up everything, and farmers seek agriculture at the beginning. " Beginning of spring, Heshui Zuo.

References:

Baidu encyclopedia-spring