Taking land circulation of Hebei Province, China as an example, circulation status of rural land contract and operation rights of Hebei Province is introduced. Then, sampling survey method is used to investigate the supply and demand situation of social security of 350 peasant households in...

According to the characteristics of agricultural system in Beijing, Tianjin and Hebei, population pressure, resource utilization and construction capability are taken as the first grade indices. And There are a total of 14 second grade indices, such as the per capita cultivated land, per capita...