The materials posted here are intended as historical resources for the study of weed science not for current practice. They represent the science and practice at the time they were published, but may contain suggestions that are no longer in line with current agricultural or ecological recommendations.

For the latest information on current weed science and weed technology practices, see the current University of Nebraska Cooperative Extension materials at http://www.ianrpubs.unl.edu/epublic/pages/index.jsp or contact your local county extension office. A listing of local offices is at http://www.extension.unl.edu/about.htm/About_Us/County_Offices/document_view