Apr. 09, 2009

Arbor Day

Arbor Day, you know it? What is the use to plant trees?

• I know that Arbor Day,It March 12.The usefulness of a lot of tree planting,Tree-planting to prevent soil erosion,Can block the wind,Afforestation for people's lives and industrial and agricultural production to provide a lot of useful raw materials and supplies,Wood processing products are popular, Planting trees to provide oxygen for human beings, to clean up the air, beautify the environment is conducive to ecological and environmental protection.
  
  Apr. 13, 2009

   
  
  

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