What is the significance of the emergence of regulator plow

Promoted the development of agriculture, improved the level and efficiency of agricultural production, and was conducive to social stability. Because the tools of production are an important factor of productivity, a certain type of tool marks the productivity of a certain level of development. The improvement of agricultural tools and their wide adoption played an important role in the development of agricultural production in Tang Dynasty. Before the Tang Dynasty, the long, heavy and bulky plows were difficult to turn around, and plowing was laborious. The Han Chinese working people in the Jiangnan region in the long-term production practice, improve the invention of the previous generation, the creation of the plow.

The illustration of the yamen plow: