DigitalCommons@University of Nebraska - Lincoln

The Quarterly is published by the Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln and distributed free to those interested in Institute activities that affect agriculture, natural resources and family life.

Permission to reproduce material appearing in this publication is hereby granted, provided acknowledgment is made of the source.

To simplify the information in the Quarterly it is sometimes necessary to use trade names of products or equipment. No endorsement of named products is intended nor is criticism implied of similar products which are not mentioned.