Black soil protection, tech boost ecology, production in NE China's Jilin

        

      

      

        
          By Fu Rui | 
          chinadaily.com.cn |
          Updated: 2021-07-26 16:04
          
          
          
          
        


        
      

      

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   A little crab grows in "Rice-crab symbiosis" field.[Photo provided to chinadaily.com.cn] 
 
 

 

        


        
        
      

        
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