Page 12 - Microsoft PowerPoint - 3. SOIL CONSERVATION
P. 12

5. Shelterbelts










                   The cover



                   of plants and



                   trees around the


                   field also breaks



                   the speed of
                   t  h   e      s   p   e   e   d      o   f


                   strong winds and



                   protects the soil



                   from being blown



                   away.
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