Answers

2016-03-10T19:16:40+05:30
Yes,urine contains nitrogen.farmers looking for a natural way of growing crops can go for urine.
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2016-03-10T19:17:15+05:30
Yes, urine does contain nitrogen in the form of ammonia (NH4). Ammonia is the nitrogenous waste found in most of the living organisms. 
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