Browsing Extension Service -- Miscellaneous / Educational Materials by Author "Olsen, J."

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Identification of invasive and reemerging pests on hazelnuts

Oregon State University. Extension Service; Walton, V. M. (Vaughn Martin); Chambers, U.; Dreves, A.; Bruck, D. J.; Olsen, J. (Corvallis, Or. : Extension Service, Oregon State University, 2007-12)

Hazelnuts are produced in many countries, including the United States. Hazelnuts are grown on approximately 30,000 acres in the Willamette Valley, accounting for about 99 percent of U.S. production and 5 percent of world ...