Posted 7/10/2016 09:31 (#5402697 - in reply to #5398746) Subject: RE: Different sources of N
Nh3 is the best for corn on corn application since you are injecting it under most of the trash usually. Urea gets tied up in the trash and unless you get a lot of rain to get it to move out of the trash. That has been my experience. Manure is always the best source for fertilizer needs.