As to tea resources in Guangdong Province at present, there are 4 kinds of national geographical indication products, 2 national geographical indication trademarks, and 1 kind of national geographical indication of agricultural products. We conduct a analysis on the current protection of...

The mathematical model is often used for fitting the trend of changes in cultivated land resources in the land use planning, but the fitting effect is different in different study areas. In this paper, we take two geographically adjacent cities with great differences in the economic development...

China’s urban agricultural development takes on stage evolution, and functional structure, customer structure, industrial organization, innovation activity, spatial form and industrial value of each stage has significant difference. Using the system variable analysis method, this paper...