| Title | Sources of nitrogen in Alberta. CASA Science Symposium on nitrogen : Fixed on nitrogen | 
| Publication Type | Report | 
| Year of Publication | 2006 | 
| Authors | Niemi, D. | 
| Pagination | 23 | 
| Publisher | Environment Canada, Science & Technology Branch | 
| Publication Language | en | 
| URL | http://www.casahome.org/wp-content/uploads/2007/06/4-4-David-Niemi-%20Sources-of-N-in-AB.pdf | 
| Topics | Biology  |  
| Group | Science  |  
| Citation Key | 47414 |