RT Journal Article SR Electronic T1 Research topics to scale up cover crop use: Reflections from innovative Iowa farmers JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 59A OP 63A DO 10.2489/jswc.72.3.59A VO 72 IS 3 A1 Basche, Andrea D. A1 Roesch-McNally, Gabrielle E. YR 2017 UL http://www.jswconline.org/content/72/3/59A.abstract AB