Of utmost concern to many producers in Arkansas and the rest of the U.S. is the dramatic rise in nitrogen fertilizer prices, particularly urea. Over recent months, a dramatic 50 percent increase in per ton urea prices has occurred. As of early September 2006, the average per ton price of urea in eastern Arkansas was $260. Today, urea prices ranging from $420 to $440 per ton are very common. Uncertainty exists...

With the large increases in corn acreage in the Mid-South and the increasing cost of nitrogen fertilizer, attention to fertilizer management is paramount. Major points to consider are how applications should be made within and across fields, and when and how much to apply to realize the greatest return. Peter Scharf and colleagues at the University of Missouri published results of research conducted to assess...