Characteristics of slight cold

1, meteorological change characteristics: the weather characteristics of slight cold are: the weather is getting cold, but it is not cold yet. The "March 9th" in the middle of winter is basically within this solar term, so there is a saying that "slight cold is better than severe cold". Two old folk proverbs, "A slight cold, freezing into a ball" and "Walking in the street, losing money", all describe the coldness of this solar term.

2. Phenological characteristics: In ancient China, the "slight cold" was divided into three periods, namely, "the first period was Yanbei Township, the second period was when magpies began to nest, and the third period was when pheasants began to swim." The ancients believed that the geese among migratory birds migrated along the yin and yang, when the yang had moved, the geese began to migrate northward; At this time, magpies can be seen everywhere in the north, feeling the yang and starting to build nests; The word "pheasant" means singing. As April 9th approaches, pheasants can sing.

3. Characteristics of farming activities: Due to the large span between north and south in China, different regions will have different production farming for the same slight cold solar terms. In the north, in most areas, there is not much farm work in the fields, and all of them have winter holidays. The main task is to do a good job of keeping warm in vegetable pits and sheds, and to make fertilizer and accumulate fertilizer at home.