Posted 9/7/2011 23:03 (#1951706 - in reply to #1951656) Subject: PLease be sure to do the complete nitrogen balance
East Troy, WI
...if you do the pot study. I stongly suspect a negative efficiency in comparison. Also compare sidedress efficiency.
We used to use urea for this very purpose ahead of no till beans, even ploted some of the yields. A complete waste of money both for the bean and 2nd year corn and when accounting inputs for crop year 3-4.