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Biology · PYQ NEET UG 2019(2)

हिन्दी

If an agricultural field is liberally irrigated for a prolonged period of time, it is likely to face a problem of:

  1. Salinity
  2. Metal toxicity
  3. Alkalinity
  4. Acidity

Correct answer · Option 1

Salinity

Explanation

Prolonged irrigation without proper drainage draws water to the surface through capillary action; as the water evaporates, it leaves behind dissolved salts, leading to soil salinity.
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