A cool, damp fall has slowed corn drying and harvesting in Iowa. Farmers have several options when it comes to marketing grain that is above the moisture level for number 2 corn.

If storage or drying capacity is a limiting factor, selling grain directly from the field is convenient. The elevator or processor will accept the grain, weigh it and determine the average level of moisture. The net amount of revenue paid to the farmer will be calculated by applying a moisture discount factor to...