    

:  

      (Arbor Day)       .  12 ,        (Sun Yat-sen),       .

       ,           .

 1981                     (Resolution on the unfolding of a nationwide voluntary tree-planting campaign),          .

   ,        11  60            .     -   ,        , , ,       .

,          .      1872           (Julius Sterling Morton, 18321902).              .

       1927 .  1914                    . 
