Multiple choice

Which of the following microbes reduces soil fertility?

  1. Nitrosomonas

  2. Nitrobacter

  3. Bacillus denitrificans

  4. Azotobacter

  5. Streptococcus

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bacillus denitrificans reduces soil fertility by reducing nitrogen level of soil.