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 ...

Often, homeowners will not have a soil test done, so they are buying a fertilizer grade at random from a store. If this is the case, the fertilizer still should be applied at a proper rate. For lawns, ...

10. Cost per pound of the nutrients you actuallyneed? You probably already know the answer. Your fertilizer purchase should be influenced by numbers 4, 7, 8, 9 and 10, and less by numbers 1, 2, 3, 5 ...

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 ...