Analysis of topsoil conservation methods in highway construction in Poyang Lake Eco-Economic Region

In order to strengthen the conservation and utilization of topsoil resources in highway construction in Poyang Lake Eco-Economic Region, this article is set the highway of Pengze to Hukou for example, and base on the experimental analysis of samples from soil nutrient profile of different types land and water-soluble nutrients of piled topsoil. The paper proposed the stripping and protection standard of topsoil thickness in highway construction in Poyang Lake Eco-Economic Region, and then analyzed appropriate methods to collect and preserve topsoil resources. Last this paper discussed the feasibility of rehabilitation using topsoil. Conclusion from the paper can be used as reference to other comrades in highway network construction of environmental protection in Poyang Lake Eco-Economic Region.