Introduction With a 20% growth rate in 2001, organic agriculture continues to expand in the U.S. and the world (OTA, 2002). After the release of consistent federal standards for products marketed as “organic” in October 2002 (USDA/AMS, 2002), organic production and consumption was expected to increase beyond current organic sales of $10 billion in 2001 (OTA, 2002). In 1999, Iowa farmers reporte...