non-agriculturalization means that you can build without growing things, and non-agriculturalization means that you can grow things, but you can't grow crops.
the problem of farmers' non-agriculture is not only the problem of farmers' employment, but also closely related to the process of industrialization, urbanization, marketization, informationization and internationalization in China and will run through this process from beginning to end.
Farmers' non-agriculture not only triggered a revolution in farmers' employment, but also promoted and will continue to promote profound changes and great changes in China's entire economy and society.
Farmland conversion means that you can't engage in non-agricultural activities on cultivated land, such as building houses.
That is to say, cultivated land is used to grow crops. It is illegal for you to engage in other construction on cultivated land. Non-agriculturalization of cultivated land means that cultivated land cannot be used to do things other than growing food.