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Filtering by: Decade 1970-1979 Date issued sim 1971-07-12 Degree Name Doctor of Philosophy (Ph.D.)

How Oregon farmers select and use herbicides on wheat

Creator:

Fine, Richard Ray, 1939-

Abstract:

Questionnaires were used in a survey of Oregon farmers to determine how they select and use herbicides on wheat. Farmer's decisions were evaluated on the basis of their ability to: select the proper herbicide treatment for their weed problem and to make application at the proper time. Questionnaire scores indicated...

Resource Type:

Dissertation
Zooplankton and hydrography of Alsea Bay, Oregon, September 1966 to September 1968

Creator:

Matson, Adrian Luther

Resource Type:

Dissertation