Plants use Nitrogen in the form of? by Sunday | Apr 23 | Biology NECO | 0 comments A. ammonia B. ammonium C. nitrates D. nitrites E. urea Correct Answer: Option C – nitrates Users Also Read These:If urea fertilizer contains 46% nitrogen. calculate…In the nitrogen cycle, the nitrates in the soil are…Nitrogen is important in plants because it is mainly…Which of the following statements about nitrogen is…Which of the following describes the effects of…