Question

Short answer type questions:

Explain the factors that have resulted in the degradation of land.

Answer 1

Following are the factors that effect degradation of land.

• Physical factors: Rainfall, surface runoff , floods, wind errosion, tillage, mass movement.
• Chemical factors: salt buildup and leaching of nutrients.
• Biological factors: Over growth of bacteria and fungi.
• Deforestration
• Miss use or excess use of fertilizers
• Industrial and mining activities
• Improper cultivational practices
• Urbanization
• Over grazing