Add to ORKGPublished June 1937. 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
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Published May 1931. Facts and recommendations in this publication may no longer be valid. Please loo...
Publised March 1951. Facts and recommendations in this publication may no longer be valid. Please l...
Publised June 1954. Facts and recommendations in this publication may no longer be valid. Please lo...
Revised March 1964. Facts and recommendations in this publication may no longer be valid. Please loo...
Published May 1937. Facts and recommendations in this publication may no longer be valid. Please loo...
Published April 1942. Facts and recommendations in this publication may no longer be valid. Please l...
Published September 1943. Facts and recommendations in this publication may no longer be valid. Plea...
Published September 1943. Facts and recommendations in this publication may no longer be valid. Plea...
Revised November 1945. Facts and recommendations in this publication may no longer be valid. Please ...
Published April 1941.Facts and recommendations in this publication may no longer be valid. Please lo...
Published June 1917. Facts and recommendations in this publication may no longer be valid. Please lo...
Published December 1934. Facts and recommendations in this publication may no longer be valid. Pleas...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Published May 1931. Facts and recommendations in this publication may no longer be valid. Please loo...
Publised March 1951. Facts and recommendations in this publication may no longer be valid. Please l...
Publised June 1954. Facts and recommendations in this publication may no longer be valid. Please lo...
Revised March 1964. Facts and recommendations in this publication may no longer be valid. Please loo...
Published May 1937. Facts and recommendations in this publication may no longer be valid. Please loo...
Published April 1942. Facts and recommendations in this publication may no longer be valid. Please l...
Published September 1943. Facts and recommendations in this publication may no longer be valid. Plea...
Published September 1943. Facts and recommendations in this publication may no longer be valid. Plea...
Revised November 1945. Facts and recommendations in this publication may no longer be valid. Please ...
Published April 1941.Facts and recommendations in this publication may no longer be valid. Please lo...
Published June 1917. Facts and recommendations in this publication may no longer be valid. Please lo...
Published December 1934. Facts and recommendations in this publication may no longer be valid. Pleas...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Published May 1931. Facts and recommendations in this publication may no longer be valid. Please loo...