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Part - 2 CH - 3 Land Resources and Agriculture — Geography STD 12 Humanities & Commerce — Question

Rajasthan BoardEnglish MediumSTD 12 Humanities & CommerceGeographyPart - 2 CH - 3 Land Resources and Agriculture3 Marks
Question
“Land degradation caused by human made processes are more harmful than natural processes in India.” Analyse the statement with suitable example.  ### Explain any three factors responsible for land degradation in India.
### “Degradation of cultivable land is one of the most serious problems that arises out of irrigation and agricultural development in India.” Support this statement with three points.
### How is the degradation of cultivable land one of the serious problems in India? Explain in any three points.
✓

Answer

  • A large tract of agricultural land has lost its fertility due to alkalisation and salinisabon of soils and waterlogging,
  • Excessive use of chemicals such as insecticides and pesticides has led to their concentration in toxic amounts in the soil profile.
  • Leguminous crops have been displaced from the cropping pattern in the irrigated areas and duration of fallow has substantially reduced owing to multiple cropping.

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