A project just getting underway offers a chance to address two issues that affect the state of Iowa every year: water quality and the cost of fertilizer. It is called the Nitrogen Soil Sampling ...

A project starting in central Iowa can help reduce fertilizer application, writes Iowa Agriculture Secretary Mike Naig.

Properly managing nitrogen is a challenge every year. Given the differences in rainfall amounts and timing, as well as soil temperatures and hybrids, what worked last year may well not work this year.