12 mayo 2015
Wetlands created 20 years ago between tile-drained agricultural fields and the Embarras River were recently revisited for a new two-year research project. Results show an overall 62 percent nitrate removal rate and little emission of nitrous oxide, a potent greenhouse gas.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DSa7Pbpz7nw/150512185034.htm
