What are the spread and changes of the three stages of agricultural folklore experience?

These three stages are primitive agricultural folklore, traditional agricultural folklore and modern agricultural folklore. Due to different historical and geographical conditions, different times, different nationalities and different times, the three stages are also different.

Folk custom of primitive agriculture: Primitive agriculture began in the Neolithic Age, mainly grinding stone tools and woodwork, using slash-and-burn farming and hoeing methods, and carrying out agricultural production through simple cooperative collective labor. The emergence of ancient civilizations in West Asia, North Africa, China, India and Central America. It was originally related to the occurrence of primitive agriculture.

Traditional agricultural folklore:

The use of iron farm tools, manpower, animal power, water power and wind power, as well as natural organic fertilizers, engaged in direct experience production of agriculture.

Modern agricultural folklore:

Agriculture guided by experimental science, equipped with industrial technology and aimed at commercial production.