Almost one third of the land area through out the world is affected by land degradation. Pakistan's agriculture sector though facilitates employment to >65% but is facing challenges from:
Correct answer: D. All of the above
- A. Erosion
- B. Salinity
- C. Waterlogging
- D. All of the above
Explanation
Erosion removes productive topsoil, while salinity and waterlogging impair root growth and reduce soil productivity. All three are major land-degradation constraints affecting Pakistan’s agriculture.
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