what type of farming carried out in the hilly areas to prevent soil erosion.

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Please find below the answer:

Type of farming carried out in hilly areas to prevent soil erosion is contour ploughing.

• Contour ploughing is a type of farming in which cultivation is done across the slope while following natural contour lines.
• ​​​​​​It helps to prevent soil erosion by controlling the run-off water. Thus, it helps the soil to retain its fertility.​