It is possible to get a rough idea of the deficiency of an essential element in the soil without doing soil tests

Options :
  1. only by making a detailed analysis of the ash of a plant growing in it
  2. by noting the typical morphological symptoms of deficiency shown by plants growing in it
  3. by observing the physical texture of the soil
  4. by determining the dry weight of the plant
Answer and Explanation :-

Answer: Option 2

Explanation:

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