Q714
Which of the following is also used as a Bio fertilizer?
A.
Urea
B.
Ammonia
C.
Uric Acid
D.
None of these
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Biofertilizers such as Rhizobium, Azotobacter, Azospirilium and blue green algae (BGA) have been in use a long time. Rhizobium inoculant is used for leguminous crops. Azotobacter can be used with crops like wheat, maize, mustard, cotton, potato and other vegetable crops.