Nielsen, D. C., author2020-04-302020-04-302008-02https://hdl.handle.net/10217/206062Presented at the 2008 Central Plains irrigation conference on February 19-20 in Greeley, Colorado.born digitalCD-ROMsproceedings (reports)engCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Text