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:The nitrogen obtained from air has a density higher…If urea fertilizer contains 46% nitrogen. calculate…Powdered marble reacts faster with hydrochloric acid…Rhizobium supplies nitrogen to leguminous plants by?Nitrogen is made available to plants in the form of…