What is the reason why it is difficult for Chinese traditional agricultural farming technology to achieve further revolutionary development?

Personally, I think that the advanced agricultural technology in ancient China is the reason why agriculture has not developed further. No matter farm tools, farming methods and laws, China has always been the focus of attention of all feudal countries in the world. Due to the characteristics of intensive cultivation, the grain yield in China has been very high ... The abundance of food makes the desire for innovation decline ... The maturity of technology makes innovation more difficult. During the Qianlong period, there were 400 million people ... Such a huge population is the greatest affirmation of China's grain production capacity. Secondly, the landlord's land ownership, the exploitation of farmers by feudal system and the relative lack of wasteland are also reasons. But these reasons have existed in China for more than 2000 years, so they can't explain why China's agriculture has been developing but stopped its innovation revolution after reaching a certain height. Thank you for reading.