RT Journal Article SR Electronic T1 Low-input, sustainable agriculture: Myth or method? JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 13 OP 17 VO 45 IS 1 A1 Stenholm, Charles W. A1 Waggoner, Daniel B. YR 1990 UL http://www.jswconline.org/content/45/1/13.abstract AB