Q. Prolonged liberal irrigation of agricultural fields is likely to create the problem of :

A) acidity
B) aridity
C) metal toxicity
D) salinity
Explanation

[Solution from source] Heavy irrigation, especially with poor drainage, raises the water table. Evaporation then leaves dissolved salts on the surface, which makes the soil saline. Irrigation does not cause aridity, and it does not usually cause acidity. Answer (4).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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