A) Nitrogenation
B) Nitrogen Fixation
C) Fertilisation
D) None of these
Correct Answer: B
Solution :
Nitrogen fixation in plants is done by bacteria e.g. Rhizobium culture belonging to genus of Azotobacter i.e. Azote means Nitrogen (N3) - bacter mean bacteria say Nitrogen fixing bacteria us pulse crops (gram, pea, tur, mungbean, urdbean etc free fixation from 78-4% free atmospheric nitrogen upto 20-25 kg/ha say a saving of 50 kg (one bag urea (46% N).
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