2. "Intensive cultivation" means "intensive cultivation", which refers to serious and meticulous farming in agriculture and also summarizes the essence of Chinese traditional agriculture.
In primitive society, people used slash-and-burn farming. Seven or eight thousand years ago, China entered the era of civilization, and thunder and shovel became important tools for people to carry out agricultural production, and agriculture entered the stage of "shovel tillage" or "stone hoe tillage".
4. During the Shang and Zhou Dynasties, a small number of bronze farm tools and intertillage farm tools appeared, and people mastered the techniques of furrow irrigation, weeding and ridging, retting green manure, pest control and so on, and agricultural production developed.
5. In the Spring and Autumn Period, the iron plow Niu Geng became the main farming method of Chinese traditional agriculture, and in the Warring States Period, the iron plow Niu Geng was expanded and popularized, and the iron and Niu Geng became the main farming methods of Chinese traditional agriculture; During the Wei, Jin, Southern and Northern Dynasties, the agricultural production technology characterized by intensive cultivation in the Yellow River Basin became more and more mature. It was not until the Sui and Tang Dynasties that the paddy field intensive cultivation technology in southern China gradually matured.
6. During the Song and Yuan Dynasties, intensive cultivation technology entered a period of full maturity; After Ming and Qing dynasties, intensive cultivation continued to develop; Nowadays, the development of intensive farming technology is the main factor that leads China's agriculture in the world for a long time.