RT Journal Article SR Electronic T1 Treatment wetlands: Cost-effective practice for intercepting nitrate before it reaches and adversely impacts surface waters JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 14A OP 15A DO 10.2489/jswc.63.1.14A VO 63 IS 1 A1 Iovanna, Richard A1 Hyberg, Skip A1 Crumpton, William YR 2008 UL http://www.jswconline.org/content/63/1/14A.abstract AB