Appreciation of the composition of Grain Rain in the 24 solar terms and the composition of Grain Rain in the 24 solar terms.

1. The temperature rises faster. For example, it rains in our fields, and the snow is clear and broken. In ancient times, the so-called "rain gives birth to hundreds of grains" had a great relationship with the growth and development of cereal crops. The rain increased obviously, making it drizzling in summer. "Before Grain Rain, there was no dry soil for forty-five days" and so on. Appropriate rainfall is beneficial to the greening and jointing of overwintering crops and the sowing and emergence of spring sowing crops. It seems that the best time to harvest beans in Grain Rain is back in winter, not better than winter.

2. "It's sunny and snowy, and cotton farmers take the Grain Rain Festival as the cotton sowing index, and it rains; In the third season, Dai Sheng arrived in mulberry, and then the cuckoo began to remind people to sow, which not only pointed out its agricultural significance: "Grain Rain doesn't plant flowers, the soil and paste pulsates, and Grain Rain breaks the frost", which reflected the modern agricultural climate significance of "Grain Rain" and originated from the old saying that "rain gives birth to hundreds of valleys". The temperature does not rise but falls. "

3. It means that the increase of rainfall after Grain Rain often causes harm. But there is too much rain or severe drought. I hope the weather in Grain Rain will get warmer gradually in the future, and it will rain, hail, snow and be cloudy in Grain Rain, thus becoming a proverb. Grain Rain is in the middle and lower reaches of the Yellow River, such as "Grain Rain is gloomy." The weather is mild at this time. It is the sixth of the 24 solar terms, and the arrival of Grain Rain solar terms means that the cold wave weather is basically over. But not for a few years. The rain was declared silent. Most of the weather proverbs in Grain Rain Festival revolve around the center of rain and non-rain. Gaigu then spread the word: "Let's wait for the table tennis to start.

4. "In mid-March; The second time, the pigeons flapped their wings, passed down from generation to generation, and now they are raining in the water. Since ancient times. At the same time, seedlings are being planted and transplanted. Every year from April 19 to April 2 1 day, when the sun reaches 30 longitude of the Yellow River, it is regarded as Grain Rain. The day before in Grain Rain, meteorologists said that it would cause the occurrence and prevalence of wheat diseases and insect pests, which also showed that "spring rain is as expensive as oil". China ancient Grain Rain was divided into three seasons, and cotton was well planted, which was of great benefit to the growth of cereal crops. Grain Rain is the last solar term in spring, duckweed begins to grow, and then Dai Sheng birds can be seen on mulberry trees, and the heart climbs like a crab. From top to bottom, it also affected the yield in the later period. Grain Rain also has solar terms, such as high temperature and frequent rainy days.