Add to ORKGPublished January 1936. 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/catalo
Published March 1968. Facts and recommendations in this publication may no longer be valid. Please l...
12 pages; includes photographs. This archival publication may not reflect current scientific knowled...
Published March 1941.Facts and recommendations in this publication may no longer be valid. Please lo...
Published August 1923. Facts and recommendations in this publication may no longer be valid. Please ...
Published June 1930. Facts and recommendations in this publication may no longer be valid. Please lo...
Published September 1921. Facts and recommendations in this publication may no longer be valid. Plea...
Published September 1920. Facts and recommendations in this publication may no longer be valid. Plea...
Published February 1977. Facts and recommendations in this publication may no longer be valid. Pleas...
Published November 1930. Facts and recommendations in this publication may no longer be valid. Pleas...
Published August 1922. Facts and recommendations in this publication may no longer be valid. Please ...
Published May 1931. Facts and recommendations in this publication may no longer be valid. Please loo...
Published February 1931. Facts and recommendations in this publication may no longer be valid. Pleas...
Published February 1979. Facts and recommendations in this publication may no longer be valid. Pleas...
Published December 1967. Facts and recommendations in this publication may no longer be valid. Pleas...
Published January 1978. Facts and recommendations in this publication may no longer be valid. Please...
Published March 1968. Facts and recommendations in this publication may no longer be valid. Please l...
12 pages; includes photographs. This archival publication may not reflect current scientific knowled...
Published March 1941.Facts and recommendations in this publication may no longer be valid. Please lo...
Published August 1923. Facts and recommendations in this publication may no longer be valid. Please ...
Published June 1930. Facts and recommendations in this publication may no longer be valid. Please lo...
Published September 1921. Facts and recommendations in this publication may no longer be valid. Plea...
Published September 1920. Facts and recommendations in this publication may no longer be valid. Plea...
Published February 1977. Facts and recommendations in this publication may no longer be valid. Pleas...
Published November 1930. Facts and recommendations in this publication may no longer be valid. Pleas...
Published August 1922. Facts and recommendations in this publication may no longer be valid. Please ...
Published May 1931. Facts and recommendations in this publication may no longer be valid. Please loo...
Published February 1931. Facts and recommendations in this publication may no longer be valid. Pleas...
Published February 1979. Facts and recommendations in this publication may no longer be valid. Pleas...
Published December 1967. Facts and recommendations in this publication may no longer be valid. Pleas...
Published January 1978. Facts and recommendations in this publication may no longer be valid. Please...
Published March 1968. Facts and recommendations in this publication may no longer be valid. Please l...
12 pages; includes photographs. This archival publication may not reflect current scientific knowled...
Published March 1941.Facts and recommendations in this publication may no longer be valid. Please lo...