RT Journal Article SR Electronic T1 Sweetclover: A Potential Problem for the Northern Great Plains JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 259 OP 261 VO 55 IS 3 A1 Peter L. Lesica A1 Thomas H. DeLuca YR 2000 UL http://www.jswconline.org/content/55/3/259.abstract AB