The use of all documents and publications made available through this website is governed by the following terms:

  • PERSONAL and/or NON-COMMERCIAL USE:  Articles and reports on this website are free for personal use.  For classroom use, please complete the below contact form.
  • COMMERCIAL USE: Please contact the author for a pricing schedule for any and all intended commercial uses and applications, both direct and indirect, of the files made available for download and the information contained therein. Use the form here, being as specific as possible about your intended uses and requirements.

For complete terms of use and  license agreements on the DRS-15 hardiness tools,  click here.