Published February 1958. 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
Issue does not carry date of publication. Generally covers May 1, 1949 - April 30, 1950. Time periods for which statistics are given occasionally vary.
Issue does not carry date of publication. Generally covers May 1, 1950 - April 30, 1951. Time periods for which statistics are given occasionally vary.