Green manuring increases the crop yield by ------------- %

Options :
  1. 5-10
  2. 15-25
  3. 30-40
  4. 60-70
Answer and Explanation :-

Answer: Option 3


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If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week. Charles Darwin, The Autobiography of Charles Darwin, 09-