Biology Project Help!!!?

Question

I am doing my bio project-"To study the effect of various pollutants on plants?''. I am using motor oil,detergent,insect spray,urine.Can anyone tell me if urine can be considered as a pollutant?

And also can anyone recommend any websites for further help.

Thanx

Answer 1

Sure, it can be a pollutant.  Untreated waste can surely be considered a problem.  But, there is a lot on nitrogen in there, so at some concentration that would be helpful to plants.

Here are a few references