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 the percentage of nitrogen in ammonium sulphate…In the nitrogen cycle, the nitrates in the soil are…Which of the following statements about nitrogen is…The nitrogen obtained from air has a density higher…If urea fertilizer contains 46% nitrogen. calculate…