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Filtering by: Creator Macedo, Diego R. Creator Oregon State University. Extension Service Non-Academic Affiliation Oregon State University. Libraries

The Oregon State University Federal Cooperative Extension Service : 1911-1961

Creator:

Ballard, Frank Llewellyn and Oregon State University. Extension Service

Resource Type:

Book

Full Text:

increased income from a fam as a result of new crop varieties. an improved soil treatment, ~r an