The Iowa Legislature wants to spend $1 million next year to revise the state’s long-standing nitrogen fertilizer calculator used in seven corn-growing states. The money would be used to update the ...
A tractor is used to apply 32 percent liquid urea ammonium nitrate by dripping it onto the base of young corn plants in Northeast Iowa as part of a nitrate strip trial done by the Iowa Soybean ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback