Choosing a nitrogen rate is hard enough the first time. It's even harder the second time when you're trying to rescue corn after heavy rains have stolen part of the first application. At that point, it's hard to determine how much nitrogen was lost, how mu
Many farmers have long been concerned about nutrient stratification in reduced- tillage systems. We passed Sovereign's question, and a few of our own, along to Iowa State University agronomist Antonio Mallarino, who conducted a major research project on st
Nitrogen is an escape artist. And dry urea knows more escape routes than any of the other common forms of nitrogen. If conditions are ripe for loss, some of the urea beats the applicator out of the field. Houdini would be jealous.