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.

Nitrogen management is never a one-size-fits-all program. Every field is different, and the right fertilization plan depends on your soil, the crops you grow, and the fertilizer you use. One of the ...

As with most tasks on the farm, timing is everything. But in addressing a nitrogen deficiency in corn, when is only half the equation — the other major consideration is how and which nitrogen ...