Slowing the volatilization of urea. To prevent volatilization, you can till in urea or hope for a timely rain to wash the urea into the soil, where there is more hydrogen (H) to offset the pH swing.

The National Agricultural Statistics Service reported that as of May 27, 92 percent of the Minnesota corn crop had emerged, a day behind last year, but 13 days ahead of the five-year average. Corn ...