RT Journal Article SR Electronic T1 Soil health and productivity benefits of low-tillage organic systems JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 19A OP 21A DO 10.2489/jswc.63.1.19A VO 63 IS 1 A1 Rainford, Cheryl YR 2008 UL http://www.jswconline.org/content/63/1/19A.abstract AB