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What is soil erosion? Give two methods of reducing it.

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The top layer of the soil that contains humus and living organisms in addition to the minerals is called the Topsoil. The removal and thinning of the fertile topsoil from its original place to another place with the help of certain agents such as strong winds, running water etc., is called soil erosion. 

Methods of reducing soil erosion- 

  • By constructing proper drainage canals around the fields. 
  • Intensive cropping and maintain soil fertility.

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