By means of peasant household sample investigation method, the paper summarizes and analyses the situation and effect of Grain for Green Program in 5 counties of Zhangjiakou Chengde two cities of Hebei.

 
  • 摘要采用农户抽样调查方法,对河北省张家口、承德两市5县退耕还林实施情况与所取得的成效作概述与分析。
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