In the face of the trend of economic integration and region integration, interdependence and cooperation have become important tendency of local relation development.

In order to study the results of soil productivity maintenance measurements,soil nutrient,soil enzyme activities and soil microbes of intercropping forestland,soil replacing(replacing sand with fertile farming soil) forestland and cultivar-alternated forestland were measured in the field along the Shu River in Juxian County in Shandong Province.