 Whether you need a ham or a house, go check them out today. To see everything they have to offer, visit rbclisbon.com. During a University of Minnesota Extension webinar last week, Extension agronomist Jeff Coulter said that there are a lot of variable corn fields across the state with uneven stands. The same field may have corn beginning to tassel in one area and barely knee-high plants in other areas of the field. That could have implications at harvest time.