Proceedings of symposium - VanToai, Tara; Major, David; McDonald, Miller; Schepers, James; Tarpley, Lee; Barbarick, Kenneth A.; Volenec, Jeffrey J.; Dick, Warren A.; Kral, David M. (American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. ; Soil Science Society of America, Inc., 2003)
ASA Special Publication Number 66.