On the basis of the analysis of main problems existing in current agricultural meteorological service in China, for the purpose of exploring a solution to the “last kilometer†problem in rural meteorological service, this article designed four short message service products with the...

According to the relevant data about the land resources and population in Liaocheng City from 1999 to 2008, by using the research method of bearing capacity of natural resources, the thesis analyzes the relationship between natural resources and dynamic change of population in Liaocheng City....