Deficiency Symptoms and Correction · NCERT Biology

To correct chlorosis caused by iron deficiency in an alkaline soil, one should:

  1. Add more lime to the soil
  2. Use chelated iron or acidify the soil
  3. Stop watering the plants
  4. Add more sodium chloride
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Correct answer: Use chelated iron or acidify the soil

In alkaline soils, iron becomes insoluble and unavailable to plants. Using chelated iron or acidifying the soil helps keep the iron in a soluble form that roots can absorb.

Difficulty: Medium Question 11 of 19

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