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Published March 1992. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published September 1993. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published April 1991. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published April 2014. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published January 2004. Reviewed January 2012. Please check for active titles in the OSU Extension Service website: http://extension.oregonstate.edu/catalog
Published July 1998. Revised January 2002.Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: ...