Grain Rain's proverbs or knowledge.

Grain Rain's proverbs or knowledge are as follows:

1, before and after Grain Rain, plant melons and beans.

The solar terms in Grain Rain are divided into three periods, the first period is the beginning of Pingsheng, the second period is the pigeon blowing feathers, and the third period is the mulberry falling in Dai Sheng. If you look closely, you will find that cuckoos usually appear after the solar term in Grain Rain. They sing again and again in the mountains to remind farmers to start sowing.

2. Grain Rain is a flood of prosperous times, which is worth a thousand dollars in an instant!

It means that the solar term in Grain Rain is coming, which means that the flood season is coming. If it rains on the day of the Grain Rain solar term, even if it rains for a while, it is a good sign. Such rain can be worth 1000 yuan in an instant.

It's cloudy in Grain Rain, and it rains in summer!

In the process of long-term observation, the ancients actually realized that there is a connection between solar terms, especially the weather between solar terms has certain rules to follow, and this proverb is to predict summer rainfall through solar terms in Grain Rain.

If it doesn't rain in Grain Rain, return it to the owner.

It means that the solar term arrived in Grain Rain, but it was sunny and there was no rain that day, so the land could be returned to the landlord. Because in ancient times, farmers had no land and had to contract land from landlords to grow it.

Meteorological change

Continuous spring rain is the most important feature of solar terms in Grain Rain. After the solar term in Grain Rain, the rainfall increases and the humidity in the air gradually increases, which is beneficial to the growth of crops. After entering the Grain Rain solar term, the precipitation in the middle and lower reaches of the Yangtze River and the south of the Yangtze River increased obviously, especially in South China. Once cold air meets warm and humid air, it will often form rainy weather for a long time.

The Huaihe River Basin in Qinling Mountains is basically the dividing line between the spring rain in the south of the Yangtze River and the spring drought in the north. From the Qinling-Huaihe River to the north, the spring rain decreased sharply. In the north, Grain Rain is a symbol of the "final frost". There are few cases of large-scale invasion of cold air into the south, but the cold air activities affecting the north have not stopped, and early thunder will appear in many places.