This is an area where genetic modification can really help. If plants improve their nitrogen efficiency then both the total amount of fertilizer and the runoff

This is an area where genetic modification can really help. If plants improve their nitrogen efficiency then both the total amount of fertilizer and the runoff can be significantly reduced. http://www.isaaa.org/resources/publications/pocketk/46/default.asp http://www.isaaa.org/resources/publications/pocketk/46/defau...