This study was designed to test the ability of atrazine
and 8-hydroxyquinoline sulfate to reduce the transpiration
stress and thus prolong the life of potted
Douglas-fir seedlings under various levels of shade.
Treatment effectiveness was defined by the survival time
of seedlings exposed to each combination of chemical
treatment and...
Published October 1983. 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
Woodland owners need site classification information for the same reasons as other owners, managers, and officials. Fortunately, it is available for most areas.
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
In a series of 30 winter wheat fertilizer experiments conducted in the Willamette Valley between 1963 and 1969, optimum rates of nitrogen fertilization varied from 75 to 150 pounds per acre. Fertilization with N, particularly at the-higher rates, increased the protein content of the grain.
Spring-applied N gave greater yield...