When is the germination period of practical writing? A. Yin Shang (ancient times), Xia Dynasty, Shang Dynasty and Han Dynasty

1, the germination period of practical writing is the Yin and Shang Dynasties.

China's earliest practical writing was found in Oracle Bone Inscriptions by Oracle Bone Inscriptions in Shang Dynasty more than 3,500 years ago. In the divination of Yin people, the names of diviners, divination problems, divination dates and results are often engraved on the tortoise shells or animal bones used, and occasionally a few notes related to divination are engraved.

2. Niu Geng, the iron plow of ancient farmers in China, first appeared in the Spring and Autumn Period and the Warring States Period.

The iron plow was produced in Niu Geng during the Spring and Autumn Period and the Warring States Period, and it was the most important mode of production in ancient China. It promoted the development of productive forces and the disintegration of well-field system. The popularization of Tieli Niu Geng promoted the rapid development of agriculture in Tang Dynasty, and one of the important reasons was the further popularization of Tieli Niu Geng. In the Yellow River Basin, Gansu and Xinjiang, the iron plow Niu Geng has been widely used in agricultural production.

Extended data:

1, actual example:

1898, Oracle Bone Inscriptions was discovered in Xiaotun Village, Anyang, Henan Province. Archaeologists called it "Oracle Bone Inscriptions Book" and inscriptions on bronzes called "Zhong Ding Inscription", all of which were early applied characters.

2, the characteristics of Niu Geng iron plow:

The symbol of social productivity progress promoted the development of ancient agricultural economy in China. Reasons for formation:

(1) The continuous development and maturity of smelting technology.

(2) social stability, the use of iron from military weapons to agriculture.

(3) The development needs of farming economy.

(4) The decision of ancient agricultural civilization in China.