The MSU Extension Soil Fertility Program recently released two online reference sheets to help growers calculate fertilizer ...

The NPK (Nitrogen, Phosphorus, Potassium) Recommendations Calculator uses soil type, crop code and soil test levels for phosphorus and potassium to provide Clemson recommendations for fertilizer ...

Corn and soybean harvest continues to move slowly forward. The rains of the past two weeks have really slowed the pace of activity. Soils vary now from moist to wet, and any additional rain will take ...

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 ...