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Filtering by: Academic Affiliation Horticulture Remove constraint Academic Affiliation: Horticulture Creator Hemphill, D. D. Remove constraint Creator: Hemphill, D. D. Decade 1990-1999 Remove constraint Decade: 1990-1999 Non-Academic Affiliation Oregon State University. Extension Service Remove constraint Non-Academic Affiliation: Oregon State University. Extension Service

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