RT Journal Article SR Electronic T1 Conservation tillage: Monitoring adoption with satellite imagery JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 88A OP 88A DO 10.2489/jswc.63.3.88A VO 63 IS 3 A1 Dana G. Sullivan A1 Timothy C. Strickland A1 Mark H. Masters YR 2008 UL http://www.jswconline.org/content/63/3/88A.abstract AB