As a social phenomenon closely related to development of economy, the population is always the focus of economists' attention. Based on the fifth census in 2001
In China, urbanization of agricultural land around city agglomerations increases rapidly. Rapid urbanization of agricultural land affects food supply, land valu
People currently pay attention to a hotspot problem that how industrial production is evaluated and controlled based on sustainable development theory. Quality
Based on the analysis on the status quo of natural resources input in grain production and on the policy of grain subsidies, this paper puts forward a new idea