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Causes of land degradation and how to prevent from this |
| Answer» Land degradation: When land becomes barren, infertile for cultivation, it is called land degradation.Causes:\tOvergrazing by animals\tDeforestation\tOver mining and quarrying\tOver irrigation resulting in water logging leading to salinity and alkalinity.\tMineral processing, like grinding of limestone for cement industry and calcite and soapstone for ceramic industries, generates heavy amount of dust and pollutes atmosphere. It later settles down on land and reduces infiltration of water into the soil besides degrading land and surface water.\tDischarge of industrial effluents into water bodies and on land.Prevents:\tTerrace farming\tConstruction of dams\tAfforestation\tPreparation of shelter belts\tControl on overgrazing by animals\tStabilization of sand dunes by growing thorny bushes. | |