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Browsing Theses,Dissertations and Student Research Papers (Horticulture) by Author

Browsing Theses,Dissertations and Student Research Papers (Horticulture) by Author "Grabe, D."

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An evaluation of the Diagnosis and Recommendation Integrated System (DRIS) on hazelnuts (Corylus avellana) in Oregon

Alkoshab, Othman (1986-10-02)

This study evaluates Beufil's Diagnosis and Recommendation Integrated System (DRIS) on hazelnuts. Although sufficiency ranges are currently the main approach for fertilizer recommendations in Oregon, DRIS enhanced nu ...