PT - JOURNAL ARTICLE AU - Douglas L. Karlen TI - A new paradigm for natural resources research: The Conservation Effects Assessment Project AID - 10.2489/jswc.63.6.220A DP - 2008 Nov 01 TA - Journal of Soil and Water Conservation PG - 220A--220A VI - 63 IP - 6 4099 - http://www.jswconline.org/content/63/6/220A.short 4100 - http://www.jswconline.org/content/63/6/220A.full