RT Journal Article SR Electronic T1 The gap between cover crop knowledge and practice JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 96A OP 96A DO 10.2489/jswc.63.4.96A VO 63 IS 4 A1 Anderson-Wilk, Mark YR 2008 UL http://www.jswconline.org/content/63/4/96A.abstract AB