RT Journal Article SR Electronic T1 Improving the cost-effectiveness of agricultural pollution control: The use of performance-based incentives JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 88A OP 93A DO 10.2489/jswc.64.3.88A VO 64 IS 3 A1 Winsten, Jonathan R. YR 2009 UL http://www.jswconline.org/content/64/3/88A.abstract AB