Images record Gaoping's 40-year journey

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2018-08-16 07:00
          
          
          
          
        


        
      

      

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   Plastic film mulching technology was popular among farmers in 1986. [Photo by Qin Hongyu/cpanet.org.cn] 
 
 

 

 
  
 

   Greenhouse planting technology was widely used in agriculture in 2010. [Photo by Qin Hongyu/cpanet.org.cn] 
 
 

 

        


        
        
      

        
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