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Filtering by: Committee Member Niazee, M. T. Ali Advisor Righetti, Timothy L.

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

Creator:

Alkoshab, Othman

Abstract:

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 nutritional interpretations, and might alter recommendations. Reference values (DRIS norms) were developed using 15 years of published and unpublished field data. DRIS indices...

Resource Type:

Masters Thesis

Full Text:

assistance through the course of this study. Appreciation is extended to Dr. M.T. Ali Niazee, Dr. P.B