21. How can soil be conserved?
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List out three methods of soil conservation
Following methods are normally adopted for conserving soil:
Afforestation: One of the best ways to conserve soil is to increase the area under forests.
Checking Overgrazing.
Constructing Dams.
Changing Agricultural Practices:
(i) Crop Rotation.
(ii) Strip Cropping.
(iii) Use of Early Maturing Varieties.
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